AP US History Quiz: Continuity And Change In Period 8
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Continuity And Change In Period 8Question 1 of 20

A historian argues that from 1945–1980, continuity persisted in racial disparities in wealth even as change occurred through civil rights legislation, because home equity and access to credit shaped long-term outcomes. Which evidence best supports the claim of continuity in wealth inequality during Period 8?

Gaps in homeownership and accumulated home equity between white families and many minority families due to discriminatory practices
The complete equalization of household wealth across racial groups by 1968
A federal policy that redistributed all private property equally every decade
The elimination of all private banking and lending after 1950
The end of mortgage lending in the United States after World War II
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AP US History Quiz

AP US History Quiz: Continuity And Change In Period 8

Practice Continuity And Change In Period 8 in AP US History with focused quiz questions that help you check what you know, review explanations, and build confidence with test-style prompts.

What this quiz covers

This quiz focuses on Continuity And Change In Period 8, giving you a quick way to practice the rules, question types, and explanations that matter most for AP US History.

How to use this quiz

Try each quiz question before looking at the correct answer. Use the explanations to review missed ideas, then come back to similar questions until the pattern feels familiar.

All questions

Question 1

A historian argues that from 1945–1980, continuity persisted in racial disparities in wealth even as change occurred through civil rights legislation, because home equity and access to credit shaped long-term outcomes. Which evidence best supports the claim of continuity in wealth inequality during Period 8?

  1. Gaps in homeownership and accumulated home equity between white families and many minority families due to discriminatory practices (correct answer)
  2. The complete equalization of household wealth across racial groups by 1968
  3. A federal policy that redistributed all private property equally every decade
  4. The elimination of all private banking and lending after 1950
  5. The end of mortgage lending in the United States after World War II

Explanation: This question asks about continuity in wealth inequality during 1945-1980. The historian argues that racial wealth disparities persisted despite civil rights legislation because home equity and credit access shaped long-term outcomes. Choice A directly supports this continuity claim by showing how gaps in homeownership and accumulated home equity between white families and minority families persisted due to discriminatory practices. This demonstrates continuity because wealth accumulation through homeownership was a key path to middle-class status, and discriminatory lending, redlining, and restrictive covenants prevented many minority families from accessing this wealth-building opportunity. The effects compounded over generations, maintaining racial wealth gaps. The other choices either represent complete equality (B, E) or policy changes (C, D) that don't illustrate persistent structural inequality in wealth accumulation.

Question 2

In a brief secondary-source excerpt on 1945–1980, a scholar argues that the United States experienced economic transformation as manufacturing employment declined in some regions while service-sector jobs expanded, contributing to regional inequality. Which development best supports the claim of change in the U.S. economy during Period 8?

  1. The rapid growth of the Sun Belt and expansion of defense and technology industries in the South and West (correct answer)
  2. The return of the U.S. economy to an overwhelmingly agricultural workforce
  3. The abolition of labor unions nationwide
  4. The complete elimination of international trade from the U.S. economy
  5. The permanent stabilization of prices and wages with no inflation after 1945

Explanation: This question focuses on economic change during 1945-1980, specifically the transformation from manufacturing to service employment and resulting regional inequality. Choice A directly supports this claim by illustrating major economic change through Sun Belt growth and the expansion of defense and technology industries in the South and West. This represents significant change because it shows the geographic shift of economic activity away from traditional manufacturing centers in the Northeast and Midwest, contributing to regional inequality as some areas prospered while others declined. The growth of new industries in previously less developed regions fundamentally altered the economic landscape. The other choices (B, C, D, E) are historically inaccurate and don't represent actual economic developments of this period.

Question 3

In a short secondary-source excerpt, a scholar argues that while the Civil Rights Movement achieved legal victories, African American activism continued to confront economic inequality and policing in urban areas, reflecting both continuity and change. Which example best illustrates continuity in the struggle for racial justice during 1945–1980?

  1. The total end of racial discrimination in employment by 1966
  2. Urban uprisings and demands for fair housing and jobs in the 1960s and 1970s (correct answer)
  3. The re-legalization of segregated schools nationwide after 1954
  4. The elimination of all civil rights organizations after passage of the Voting Rights Act
  5. The end of federal court involvement in civil rights cases after 1960

Explanation: This question focuses on continuity in the struggle for racial justice during 1945-1980. The historian argues that while legal victories were achieved (change), African American activism continued to confront economic inequality and urban policing issues (continuity). Choice B best illustrates this continuity by showing how urban uprisings and demands for fair housing and jobs in the 1960s and 1970s represented ongoing struggles for economic justice and police reform. This demonstrates continuity because these issues persisted even after legal segregation was dismantled, showing that the civil rights struggle continued beyond formal legal equality to address systemic economic and social problems. The other choices either represent completed changes (A), inaccuracies (C, D, E), or don't illustrate the ongoing nature of racial justice activism.

Question 4

A 110-word secondary-source excerpt contends that the federal government's role in promoting scientific research expanded during the Cold War, reflecting change from earlier periods, while continuity remained in linking innovation to national power. Which development best illustrates change in federal support for science during 1945–1980?

  1. The space race and creation of NASA, alongside expanded federal funding for research universities (correct answer)
  2. The end of federal research spending due to constitutional limits imposed in 1959
  3. The abolition of patents and intellectual property protections after 1945
  4. A national policy rejecting all technology developed after 1940
  5. The elimination of federal laboratories and agencies involved in research

Explanation: This question focuses on change in federal support for science during 1945-1980. The scholar argues that the government's role in promoting research expanded during the Cold War while linking innovation to national power continued as continuity. Choice A directly illustrates this change by showing the space race and creation of NASA alongside expanded federal funding for research universities. This represented significant change because federal science funding increased dramatically compared to earlier periods, driven by Cold War competition and the Soviet launch of Sputnik. The government became the primary patron of scientific research, fundamentally altering how science was funded and conducted in America. The other choices (B, C, D, E) either represent restrictions on federal involvement or are historically inaccurate, failing to show increased government support for scientific research.

Question 5

A historian argues that despite new opportunities created by the GI Bill and expanded higher education, continuity remained in unequal access based on race and class. Which evidence best supports the claim of continuity in educational inequality during 1945–1980?

  1. Persistent disparities in school funding and college attendance rates tied to segregated neighborhoods and income (correct answer)
  2. The immediate equalization of school resources nationwide by 1950
  3. The elimination of private colleges due to federal takeover in 1960
  4. A national ban on standardized testing beginning in 1946
  5. The end of any relationship between family income and educational attainment by 1975

Explanation: This question asks about continuity in educational inequality during 1945-1980. The historian argues that despite new opportunities from the GI Bill and expanded higher education, unequal access based on race and class persisted. Choice A directly supports this continuity claim by showing how school funding disparities and college attendance rates remained tied to segregated neighborhoods and family income. This demonstrates continuity because structural inequalities in education funding and access persisted even as formal barriers were removed and new programs were created. Residential segregation, property tax-based school funding, and family economic resources continued to create unequal educational opportunities despite policy changes. The other choices either represent complete equalization (B, E), policy changes (C, D), or are historically inaccurate, failing to illustrate persistent structural inequality.

Question 6

A 100-word secondary-source excerpt claims that U.S. politics changed as the federal government expanded civil rights enforcement, while continuity remained in states' rights arguments used to resist federal authority. Which example best illustrates continuity in states' rights resistance during 1945–1980?

  1. Southern political leaders invoking "interposition" and "massive resistance" to oppose desegregation orders (correct answer)
  2. States unanimously welcoming federal desegregation enforcement with no objections
  3. The abolition of state governments in 1956
  4. A constitutional amendment banning states from passing any laws after 1945
  5. The end of all disputes between state and federal power after 1950

Explanation: This question focuses on continuity in states' rights resistance during 1945-1980. The scholar argues that while federal civil rights enforcement expanded (change), states' rights arguments persisted as tools to resist federal authority (continuity). Choice A directly illustrates this continuity by showing how Southern leaders invoked 'interposition' and 'massive resistance' to oppose desegregation orders, echoing earlier states' rights arguments used to resist federal authority. This demonstrates continuity because states' rights rhetoric had been used throughout American history to challenge federal power, from the Nullification Crisis through slavery debates to New Deal opposition. The civil rights era saw the same constitutional arguments deployed for new purposes. The other choices either represent state cooperation (B) or are historically inaccurate (C, D, E).

Question 7

A 90-word secondary-source excerpt contends that immigration policy changed significantly in Period 8, reshaping the nation's demographics while continuing long-standing debates over assimilation and national identity. Which development best illustrates change in immigration policy during 1945–1980?

  1. The Immigration and Nationality Act of 1965 ending national-origins quotas and increasing immigration from Asia and Latin America (correct answer)
  2. The Chinese Exclusion Act being newly enacted in 1968
  3. A return to the 1924 quota system with stricter northern European preferences after 1965
  4. The abolition of all immigration to the United States after World War II
  5. The immediate granting of automatic citizenship to all foreign visitors upon arrival

Explanation: This question focuses on change in immigration policy during 1945-1980. The scholar argues that immigration policy changed significantly, reshaping demographics while continuing debates over assimilation and national identity. Choice A perfectly illustrates this change by showing how the Immigration and Nationality Act of 1965 ended the discriminatory national-origins quota system established in the 1920s and opened immigration from Asia and Latin America. This represented fundamental policy change because it eliminated racial and ethnic preferences that had favored northern and western European immigrants for decades. The result was dramatically increased immigration from previously restricted regions, fundamentally altering American demographics. The other choices either represent continuations of earlier restrictive policies (B, C) or are historically inaccurate (D, E).

Question 8

A historian claims that the United States experienced cultural change in 1945–1980 as youth movements challenged authority, while continuity persisted in generational conflict as a recurring feature of American society. Which development best illustrates the change described?

  1. The rise of the counterculture, antiwar protests, and student activism in the 1960s (correct answer)
  2. The elimination of youth-oriented music and fashion industries after 1950
  3. The end of college enrollment growth after World War II
  4. The disappearance of any political dissent among young people
  5. The outlawing of public demonstrations nationwide in 1951

Explanation: This question asks about cultural change during 1945-1980, specifically focusing on youth movements challenging authority. The historian argues this represented cultural change while generational conflict remained a recurring feature (continuity). Choice A directly illustrates the cultural change through the rise of counterculture, antiwar protests, and student activism in the 1960s. This represented significant change because the scale, organization, and political impact of youth movements exceeded earlier generational tensions, challenging not just individual authority figures but entire political and social systems. The counterculture questioned fundamental American values about war, materialism, and social conformity in unprecedented ways. The other choices (B, C, D, E) either represent policy restrictions or are historically inaccurate, failing to illustrate the cultural change described.

Question 9

A 90-word secondary-source excerpt argues that U.S. social policy changed as the federal government targeted poverty with new programs, while continuity remained in disputes over whether poverty stemmed from structural conditions or individual behavior. Which development best illustrates change in anti-poverty policy during 1945–1980?

  1. The War on Poverty programs such as Head Start and Job Corps launched during the Great Society (correct answer)
  2. The repeal of all New Deal-era social programs without replacement
  3. A constitutional amendment banning any federal spending on the poor
  4. The elimination of poverty as an issue discussed in politics after 1964
  5. A policy requiring private charities to replace all government assistance by 1955

Explanation: This question focuses on change in anti-poverty policy during 1945-1980. The scholar argues that social policy changed as the federal government targeted poverty with new programs while debates over poverty's causes continued. Choice A directly illustrates this policy change by showing how War on Poverty programs like Head Start and Job Corps represented new federal initiatives specifically designed to address poverty through education and job training. This marked significant change because it represented the first comprehensive federal anti-poverty strategy, moving beyond earlier relief programs to focus on breaking cycles of poverty through human capital development. The scope and targeting of these programs was unprecedented in American social policy. The other choices (B, C, D, E) either represent elimination of programs or are historically inaccurate, failing to show expanded federal anti-poverty efforts.

Question 10

A 90-word secondary-source excerpt argues that the civil rights struggle showed change in tactics from courtroom challenges to mass direct action, while continuity remained in the central goal of equal citizenship. Which development best illustrates change in tactics during 1945–1980?

  1. Sit-ins, Freedom Rides, and mass marches used to challenge segregation and discrimination (correct answer)
  2. The exclusive reliance on petitions to the British monarchy
  3. The use of armed rebellion as the dominant strategy of the NAACP in the 1950s
  4. The abandonment of all public protest in favor of silence
  5. The end of any organization-led activism after 1950

Explanation: This question focuses on change in civil rights tactics during 1945-1980. The scholar argues that tactics evolved from courtroom challenges to mass direct action while the goal of equal citizenship remained consistent (continuity). Choice A perfectly illustrates the tactical change by showing how sit-ins, Freedom Rides, and mass marches represented new forms of civil rights activism beyond traditional legal strategies. This marked significant change because earlier civil rights efforts had relied heavily on court cases and legal challenges, while the 1960s movement emphasized public demonstrations, economic boycotts, and mass participation to create political pressure. The shift from legal to popular mobilization tactics was a key evolution in the movement's approach. The other choices either represent earlier methods (B), inaccuracies (C, D), or don't illustrate the tactical evolution described (E).

Question 11

Secondary source excerpt (Period 8, 1945–1980): The civil rights movement achieved landmark legal victories, but activists soon confronted persistent inequalities in housing, schooling, and employment. In response, some leaders emphasized nonviolent integration strategies, while others embraced Black Power and community control. Across these debates, the struggle to secure meaningful equality remained central.

Which choice best captures a continuity and a change within African American freedom struggles during this period?

  1. Continuity: pursuit of expanded citizenship and equality; Change: a shift for some activists from integrationist tactics toward Black Power and self-determination (correct answer)
  2. Continuity: abandonment of legal strategies; Change: complete end of discrimination by 1965
  3. Continuity: rejection of voting rights; Change: the end of federal involvement in civil rights
  4. Continuity: exclusive focus on foreign policy; Change: civil rights became irrelevant after World War II
  5. Continuity: support for segregation among civil rights leaders; Change: return to Jim Crow laws in the 1970s

Explanation: This question examines continuity and change within the African American freedom struggle. Answer A accurately captures both elements: the continuity was the persistent pursuit of expanded citizenship and equality, which remained the core goal throughout the period. The change—shift from integrationist tactics toward Black Power and self-determination—correctly identifies how some activists moved from the nonviolent integration approach of early civil rights leaders to more militant strategies emphasizing Black pride, community control, and sometimes separatism by the late 1960s. The other options are factually wrong: legal strategies remained important (B), voting rights were a central goal achieved through the 1965 Voting Rights Act (C), civil rights focused on domestic not foreign policy (D), and civil rights leaders opposed segregation while Jim Crow was dismantled not restored (E).

Question 12

A historian writing about the United States from 1945 to 1980 argues that despite landmark civil rights laws and new protest movements, many Americans continued to experience inequality because discrimination shifted into less overt forms such as residential segregation, unequal schooling, and employment barriers. Which development from 1945–1980 best supports the historian's claim about continuity amid change?

  1. The Supreme Court's decision in Brown v. Board of Education (1954) declaring school segregation unconstitutional
  2. The passage of the Civil Rights Act of 1964 banning discrimination in public accommodations and employment
  3. The persistence of de facto segregation and urban poverty in many northern cities despite formal legal equality (correct answer)
  4. The Voting Rights Act of 1965 authorizing federal oversight of elections in states with histories of disenfranchisement
  5. The Montgomery Bus Boycott (1955–1956) successfully challenging segregated public transportation

Explanation: This question asks about continuity amid change in civil rights during 1945-1980. The historian's argument emphasizes that despite legal victories, discrimination persisted in less overt forms. Choice C directly supports this thesis by highlighting how segregation continued in northern cities through housing patterns, educational inequality, and employment barriers even after formal legal equality was achieved. This represents continuity because racial separation and economic disadvantage persisted, while change occurred through the shift from legal segregation to more subtle, systemic forms of discrimination. The other choices (A, B, D, E) represent clear changes or victories in the civil rights struggle, but don't illustrate the continuity of discrimination in new forms that the historian describes.

Question 13

A 95-word secondary-source excerpt claims that the Cold War intensified fears of subversion, continuing earlier patterns of suspicion toward radicals, but with new institutions and media attention. Which development best demonstrates continuity in anti-radical sentiment during 1945–1980?

  1. McCarthy-era investigations and loyalty programs targeting alleged communists (correct answer)
  2. The federal government's endorsement of communist parties as legitimate governing partners
  3. The abolition of congressional investigative committees after 1945
  4. A national policy of open borders for Soviet intelligence agents
  5. The end of public concern about ideology in domestic politics

Explanation: This question focuses on continuity in anti-radical sentiment during 1945-1980. The scholar argues that Cold War fears intensified suspicion toward radicals, continuing earlier patterns but with new institutions and media attention. Choice A perfectly illustrates this continuity by showing how McCarthy-era investigations and loyalty programs represented ongoing American suspicion of radical political movements, similar to earlier Red Scares during World War I and the Palmer Raids. The methods were updated with new institutions and Cold War context, but the fundamental pattern of targeting alleged subversives remained consistent with earlier periods. This demonstrates continuity in American political culture's tendency toward anti-radical sentiment during times of perceived threat. The other choices (B, C, D, E) either represent discontinuities or are historically inaccurate.

Question 14

A 90-word secondary-source excerpt emphasizes that American Indian activism changed in Period 8 as groups demanded sovereignty and enforcement of treaty rights, while continuity remained in federal control over many aspects of Native life. Which development best illustrates change in Native activism during 1945–1980?

  1. The American Indian Movement (AIM) and protests such as the occupation of Alcatraz and Wounded Knee (correct answer)
  2. The complete disappearance of Native political organizations after 1945
  3. A federal policy ending all tribal governments in 1965 with no resistance
  4. The end of any legal disputes over treaty rights after 1950
  5. A nationwide policy requiring Native peoples to relocate to Europe

Explanation: This question focuses on change in Native American activism during 1945-1980. The scholar argues that American Indian activism changed as groups demanded sovereignty and treaty rights enforcement while federal control persisted. Choice A directly illustrates this change by showing how the American Indian Movement (AIM) and protests like Alcatraz and Wounded Knee represented new forms of Native activism. This marked significant change because it moved beyond earlier patterns of accommodation or legal challenges to direct action and demands for sovereignty. The occupations and protests were more confrontational and received national media attention, raising awareness of treaty violations and federal policies. The activism was more explicitly political and nationalistic than earlier approaches. The other choices (B, C, D, E) either represent disappearance of activism or are historically inaccurate.

Question 15

A historian argues that the post-1945 era saw major demographic change as migration patterns reshaped metropolitan areas, while continuity remained in Americans' pursuit of economic opportunity through mobility. Which development best illustrates change in internal migration during 1945–1980?

  1. The expansion of suburbanization and movement to Sun Belt cities such as Phoenix, Atlanta, and Houston (correct answer)
  2. A return to frontier homesteading on free federal land
  3. The end of all interstate migration due to federal travel restrictions
  4. The complete depopulation of suburbs after 1950
  5. A nationwide policy requiring Americans to remain in their birth states

Explanation: This question asks about change in internal migration patterns during 1945-1980. The historian argues that migration patterns reshaped metropolitan areas (change) while Americans continued pursuing economic opportunity through mobility (continuity). Choice A directly illustrates the change by showing suburbanization and Sun Belt growth in cities like Phoenix, Atlanta, and Houston. This represented major demographic change because it marked a shift from rural-to-urban migration patterns of earlier eras to suburban growth and movement toward the South and West. Federal policies, air conditioning, defense spending, and economic opportunities drove this new migration pattern, fundamentally altering the geographic distribution of the American population. The other choices (B, C, D, E) are historically inaccurate and don't represent actual migration patterns of this period.

Question 16

A 100-word secondary-source excerpt argues that labor's political influence declined after World War II even though unions remained important in certain industries, reflecting both continuity and change. Which development best supports the claim of change in organized labor's influence during 1945–1980?

  1. The Taft-Hartley Act (1947) restricting union activities and allowing states to pass right-to-work laws (correct answer)
  2. The federal government's complete nationalization of all private industry in 1950
  3. A constitutional amendment requiring all workers to join unions
  4. The elimination of collective bargaining during World War II
  5. The abolition of the minimum wage in the 1960s

Explanation: This question focuses on change in organized labor's influence during 1945-1980. The scholar argues that labor's political influence declined even though unions remained important in certain industries. Choice A directly supports this change claim by showing how the Taft-Hartley Act (1947) restricted union activities and allowed right-to-work laws, representing a significant reduction in labor's legal protections and political power. This marked a clear change from the pro-labor policies of the 1930s Wagner Act, limiting unions' ability to organize, strike, and engage in political activities. The act reflected growing conservative opposition to organized labor and marked the beginning of labor's political decline. The other choices either represent increased government control (B, C) or policy reversals (D, E) that didn't actually occur.

Question 17

A 110-word secondary-source excerpt argues that U.S. diplomacy changed in the 1970s as leaders pursued détente with the Soviet Union and opened relations with China, while continuity remained in the overarching goal of containing communism. Which development best illustrates change in Cold War diplomacy during 1945–1980?

  1. Nixon's visit to China and strategic arms limitation talks (SALT) reflecting détente (correct answer)
  2. The U.S. withdrawal from the United Nations in 1971
  3. The immediate end of all nuclear weapons programs in 1969
  4. A policy of refusing any diplomatic contact with any nation after 1945
  5. The abolition of the State Department in 1972

Explanation: This question focuses on change in Cold War diplomacy during 1945-1980. The scholar argues that U.S. diplomacy changed in the 1970s through détente and opening to China while maintaining the overarching goal of containing communism. Choice A perfectly illustrates this diplomatic change by showing Nixon's visit to China and SALT talks as examples of détente - a significant shift from the more confrontational approach of earlier Cold War years. This represented change because it marked a move toward negotiation and pragmatic engagement with communist powers rather than purely adversarial relationships. The opening to China was particularly significant as it exploited Sino-Soviet tensions for American advantage. The other choices (B, C, D, E) either represent diplomatic withdrawals or are historically inaccurate, failing to show the diplomatic innovations of the 1970s.

Question 18

A historian argues that the environmental movement marked a significant social and political change in Period 8, as citizens demanded federal regulation of pollution and conservation beyond earlier local efforts. Which development best supports the claim of change in environmental policy during 1945–1980?

  1. The creation of the Environmental Protection Agency (EPA) and passage of the Clean Air Act (correct answer)
  2. The repeal of all federal conservation laws from the Progressive Era
  3. The elimination of national parks and public lands
  4. A federal ban on scientific research into pollution
  5. The end of public activism related to environmental issues after 1945

Explanation: This question asks about change in environmental policy during 1945-1980. The historian argues that the environmental movement marked significant social and political change as citizens demanded federal pollution regulation beyond earlier local conservation efforts. Choice A directly supports this claim by showing how the creation of the EPA and Clean Air Act represented major policy change. This was significant because it marked the first comprehensive federal approach to environmental protection, moving beyond earlier conservation efforts focused on preserving natural resources to actively regulating industrial pollution and protecting public health. The scope and federal nature of these policies represented clear change from earlier, more limited environmental efforts. The other choices (B, C, D, E) either represent policy reversals or are historically inaccurate.

Question 19

A historian argues that U.S. military policy changed after 1945 as the nation maintained a large standing peacetime military and expanded the defense industry, unlike earlier demobilizations. Which development best illustrates change in military policy during 1945–1980?

  1. The growth of the military-industrial complex and sustained high defense budgets during the Cold War (correct answer)
  2. The immediate return to a tiny military and minimal defense spending after 1945
  3. The end of all overseas troop deployments after World War II
  4. The dissolution of the Department of Defense in 1947
  5. A permanent ban on military research and development after 1945

Explanation: This question asks about change in U.S. military policy during 1945-1980, focusing on how the nation maintained large peacetime military forces unlike earlier demobilizations. Choice A directly illustrates this change by showing the growth of the military-industrial complex and sustained high defense budgets during the Cold War. This represented fundamental change because historically the U.S. had rapidly demobilized after wars, returning to small peacetime military forces. The Cold War created a permanent military establishment with ongoing high spending, standing forces, and industrial capacity - a departure from earlier patterns of wartime mobilization followed by peacetime reduction. This militarization of American society and economy was unprecedented in peacetime. The other choices (B, C, D, E) either represent returns to earlier patterns or are historically inaccurate.

Question 20

A historian argues that U.S. society changed after 1945 as religious observance and political rhetoric increasingly intertwined, while continuity remained in the use of religion in public life. Which development best supports the claim of change in religion and politics during 1945–1980?

  1. The growth of politically active evangelical movements and organizations that helped shape conservative politics by the late 1970s (correct answer)
  2. The constitutional abolition of all religious practice in 1954
  3. The end of religious language in presidential speeches after 1945
  4. A federal law banning churches from operating after 1960
  5. The disappearance of religious diversity in the United States by 1970

Explanation: This question asks about change in religion and politics during 1945-1980. The historian argues that religious observance and political rhetoric increasingly intertwined (change) while religion's role in public life continued (continuity). Choice A directly supports the change claim by showing how politically active evangelical movements grew and helped shape conservative politics by the late 1970s. This represented significant change because it marked the emergence of organized religious political activism on a national scale, with groups like the Moral Majority mobilizing evangelical voters around specific policy issues. The politicization of evangelical Christianity was more systematic and influential than earlier religious political involvement. The other choices (B, C, D, E) either represent elimination of religion or are historically inaccurate, failing to show increased religious-political connections.