AP US History Quiz: Challenges Of The 21st Century

What this quiz covers

This quiz focuses on Challenges Of The 21st Century, 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.

Question 1

1. More frequent bipartisan compromises producing major legislation every year
2. A decline in primary challenges as parties became less ideologically distinct
3. Increased difficulty passing broadly supported measures due to polarization and distrust (correct answer)
4. The elimination of partisan identification among voters
5. The end of cable news and talk radio as political forces

Explanation: The question asks about outcomes of negative partisanship and partisan media ecosystems. Option C correctly identifies increased difficulty passing broadly supported measures due to polarization and distrust, which directly aligns with the historian's argument about legislative gridlock in the 2010s and early 2020s. When voters are motivated more by opposing the other party than supporting shared goals, even popular policies can fail if they're associated with the opposing party, and compromise becomes politically dangerous. This dynamic explains why Congress struggled to pass infrastructure bills, immigration reform, and other measures with broad public support. The other options contradict the passage: bipartisan compromises became less frequent (A), primary challenges increased as parties became more ideologically distinct (B), partisan identification intensified rather than disappeared (D), and cable news and talk radio remained influential (E). The difficulty in passing legislation despite public support perfectly illustrates how negative partisanship creates dysfunction.

Question 2

1. The establishment of the Department of Homeland Security (correct answer)
2. The dismantling of all federal intelligence agencies
3. The repeal of the Interstate Highway Act
4. The creation of the Federal Reserve System
5. The start of the Marshall Plan

Explanation: The question asks about post-9/11 government reorganization to improve security coordination. The establishment of the Department of Homeland Security (A) in 2002 represents the largest federal government reorganization since the creation of the Department of Defense, combining 22 different agencies to improve coordination of border security, intelligence sharing, and emergency response. This directly matches the author's description of addressing vulnerabilities caused by decentralized structures. The other options are either incorrect (B - agencies weren't dismantled), unrelated to security reorganization (C - Interstate Highway Act deals with transportation infrastructure), or from different time periods (D - Federal Reserve from 1913, E - Marshall Plan from 1948). DHS exemplifies the post-9/11 belief that better coordination between previously separate agencies could prevent future attacks.

Question 3

1. A sustained decrease in the income share held by the top 1 percent
2. Rising real wages for low-income workers outpacing gains for the highest earners for decades
3. Growth in the wealth gap between high-income and middle-income households after 2008 (correct answer)
4. The elimination of unemployment during the Great Recession
5. A major decline in regional economic differences between metropolitan and rural areas

Explanation: The question asks for evidence supporting the historian's claim about wealth inequality fueling social division after 2008. Option C correctly identifies the growth in the wealth gap between high-income and middle-income households following the Great Recession, which directly supports the argument about widening inequality contributing to institutional distrust and populist support. During the recovery, wealthy households saw their assets (particularly stocks and real estate) rebound quickly, while middle and lower-income families struggled with unemployment, foreclosures, and stagnant wages. The other options either contradict the inequality thesis (A and B suggest decreasing inequality), are factually incorrect (D - unemployment was high during the Great Recession), or don't directly relate to wealth inequality (E focuses on regional differences). The growing wealth gap provides concrete evidence for how economic inequality translated into political and social divisions during the 2010s.

Question 4

1. A decline in partisan sorting as voters became less ideological
2. Greater difficulty in maintaining a shared set of factual assumptions in public debate (correct answer)
3. The elimination of campaign advertising due to strict federal bans
4. The end of citizen journalism as mainstream media regained monopoly control
5. A sharp reduction in political engagement because online tools discouraged participation

Explanation: The question examines how social media affected political discourse and public debate. Option B correctly identifies a key consequence: the difficulty in maintaining shared factual assumptions when information spreads rapidly through echo chambers and misinformation can go viral. This aligns perfectly with the author's argument about social media intensifying polarization and enabling the rapid spread of misinformation, which complicated both elections and public health messaging. The other options contradict the passage's claims: partisan sorting actually increased rather than declined (A), campaign advertising expanded online rather than being banned (C), citizen journalism flourished rather than ended (D), and political engagement increased through online mobilization rather than decreased (E). The fragmentation of information sources and the challenge of establishing common ground for public debate represents a fundamental shift in how democracy functions in the digital age.

Question 5

1. Arguments over the gold standard and bimetallism during the 1896 election
2. Debates over Section 230 and platform responsibility for user-generated content (correct answer)
3. The dispute over the Missouri Compromise line in 1820
4. Conflict over the Bank of the United States during the Jackson administration
5. The controversy over the Treaty of Versailles in 1919–1920

Explanation: The excerpt portrays technology companies as key political players in 21st-century debates over content moderation, election interference, and whether platforms act as publishers or neutral entities. This is best captured by controversies over Section 230, which provides legal immunity for user-generated content but has faced scrutiny regarding platforms' responsibilities. Other choices, like 1896 monetary debates, 1820 slavery compromises, Jackson-era banking conflicts, or the 1919 Versailles Treaty, belong to earlier historical periods and unrelated issues. Section 230 debates intensified with events like social media's role in elections and misinformation. They involve questions of free speech versus accountability. This controversy underscores the growing influence of tech in politics.

Question 6

1. The emergence of the Tea Party movement and Occupy Wall Street as responses to government policy and economic inequality (correct answer)
2. The passage of the Kansas-Nebraska Act to allow popular sovereignty on slavery
3. The creation of the Works Progress Administration to employ workers in the 1930s
4. The adoption of the Open Door Policy to promote trade with China
5. The passage of the Pendleton Act to reform the civil service

Explanation: The author connects the Great Recession and bailout perceptions to populist movements, which option A directly exemplifies. Both the Tea Party movement and Occupy Wall Street emerged as responses to the 2008 financial crisis and its aftermath. The Tea Party formed partly in reaction to government bailouts of banks and auto companies, viewing them as unfair to taxpayers. Occupy Wall Street protested economic inequality and the influence of corporations, popularizing the "99% vs 1%" rhetoric. These movements represent the "populist rhetoric across the political spectrum" the author describes, with both expressing resentment toward elites despite having different ideological orientations. The other options represent historical developments from different periods unrelated to post-2008 economic populism.

Question 7

1. The temperance movement's campaign to restrict alcohol consumption
2. The Anti-Federalists' opposition to ratifying the U.S. Constitution
3. The Black Lives Matter movement advocating reforms in policing and criminal justice (correct answer)
4. The Second Great Awakening's emphasis on evangelical revivalism
5. The Know-Nothing movement's nativist opposition to Irish immigration

Explanation: The historian describes how police violence sparked mass protests and debates over systemic racism and criminal justice reform, which directly describes the Black Lives Matter movement (C). BLM emerged in 2013 and gained national prominence after high-profile incidents of police violence, particularly the deaths of Michael Brown, Eric Garner, George Floyd, and others. The movement advocates for reforms in policing practices, accountability for police violence, and addressing systemic racism in the criminal justice system. The historian's point about demographic change and unequal outcomes in policing perfectly aligns with BLM's focus on racial disparities in police treatment. The other options represent different historical movements that don't address 21st-century police violence or criminal justice reform.

Question 8

1. Survey data showing increasing numbers of Americans viewing the opposing party as a threat to the nation's well-being (correct answer)
2. A steady decline in the number of cable news channels and political talk radio programs
3. A return to nonpartisan ballots and the elimination of party primaries nationwide
4. A constitutional amendment banning political commentary on the internet
5. Evidence that most Americans received political news only from local newspapers as in the 1890s

Explanation: The excerpt argues that partisan media and algorithms have fostered 'negative partisanship' in 21st-century politics, where opposition to the other party drives voter behavior more than policy agreement. This claim is best supported by survey data showing Americans increasingly viewing the opposing party as a threat to the nation's well-being, indicating heightened animosity. Other options, like declining cable news, nonpartisan ballots, bans on online commentary, or reliance on 1890s-style newspapers, contradict the rise of polarized media ecosystems. Such data reflects how echo chambers amplify fears and reduce cross-party cooperation. It has implications for elections and governance, as seen in recent political gridlock. Analyzing this evidence helps explain the intensification of partisanship in modern U.S. democracy.

Question 9

1. A consistent decline in all politically motivated violence after 2001
2. Increased law enforcement and public focus on ideologically motivated violence by U.S.-based individuals and groups (correct answer)
3. The end of federal law enforcement agencies' involvement in counterterrorism
4. A policy of granting automatic amnesty to anyone accused of political violence
5. The repeal of all federal criminal statutes related to explosives and firearms

Explanation: The passage describes a shift from focusing on foreign-inspired attacks post-9/11 to later concerns about extremist violence originating within the United States. Option B correctly identifies "increased law enforcement and public focus on ideologically motivated violence by U.S.-based individuals and groups" as supporting this claim. This reflects the real trend of growing attention to domestic terrorism from various ideological sources in the 2010s and 2020s. Option A incorrectly claims violence declined. Option C falsely suggests federal agencies withdrew from counterterrorism. Options D and E describe policies (automatic amnesty, repealing weapons laws) that never existed. The correct answer captures the shift toward recognizing domestic extremism as a significant threat alongside international terrorism.

Question 10

1. Containment of the Soviet Union through the Truman Doctrine
2. Preemptive war as articulated in the Bush Doctrine (correct answer)
3. Isolationism as practiced in the 1920s
4. Dollar diplomacy to expand U.S. investments in Latin America
5. Massive retaliation as the central strategy of the Eisenhower administration

Explanation: The question focuses on post-2001 foreign policy concepts involving preemptive action against non-state actors. The Bush Doctrine (B) perfectly matches this description, as it explicitly justified preemptive war against perceived threats, even when those threats came from non-traditional adversaries like terrorist organizations rather than nation-states. This doctrine was used to justify military action in both Afghanistan (against al-Qaeda and the Taliban) and Iraq (based on perceived WMD threats). The other options represent different foreign policy approaches: containment (A) was Cold War strategy against the Soviet Union, isolationism (C) involved avoiding foreign entanglements, dollar diplomacy (D) used economic influence rather than military force, and massive retaliation (E) was a nuclear deterrence strategy. The Bush Doctrine's emphasis on preemptive strikes against transnational threats directly aligns with the author's description of post-2001 security thinking.

Question 11

1. The passage of the Immigration and Nationality Act of 1965 ending national-origins quotas
2. State-level efforts such as Arizona's SB 1070 increasing local enforcement related to immigration status (correct answer)
3. The Chinese Exclusion Act of 1882 barring Chinese laborers
4. The Gentlemen's Agreement of 1907 limiting Japanese immigration
5. The establishment of the Dawes Act to divide tribal lands

Explanation: The historian's excerpt points to demographic shifts and debates over national identity fueling conflicts in immigration policy during the early 21st century, involving both federal and state actions. This is best supported by state-level efforts like Arizona's SB 1070 in 2010, which empowered local law enforcement to check immigration status, sparking national controversy over enforcement and rights. In contrast, options such as the 1965 act liberalizing quotas, the 1882 Chinese exclusion, the 1907 Japanese agreement, or the 1887 Dawes Act on Native lands pertain to earlier eras and different contexts. SB 1070 exemplified tensions over unauthorized immigration and states' roles when federal action was perceived as insufficient. It led to Supreme Court challenges and broader polarization. This development illustrates how immigration became a flashpoint for social divisions in the 2010s.

Question 12

1. The Populist Party movement of the 1890s
2. The temperance movement leading to Prohibition
3. The Black Lives Matter movement (correct answer)
4. The Know-Nothing movement of the 1850s
5. The abolitionist movement's push for the 13th Amendment in the 1860s

Explanation: The excerpt links 2010s social divisions to police violence incidents, amplified by technology, which spurred new activism on racism and justice reform. This development is most directly associated with the Black Lives Matter movement, founded in 2013 after high-profile cases like Trayvon Martin's death and expanded through viral videos of events like those involving Michael Brown and George Floyd. Unlike the other options, such as 1890s Populism, temperance leading to Prohibition, 1850s nativism, or 1860s abolitionism, Black Lives Matter specifically addressed 21st-century systemic racism in policing. It mobilized protests and policy discussions nationwide. The movement's use of social media highlights technology's role in modern activism. Examining it provides perspective on ongoing civil rights struggles.

Question 13

1. The rise of Occupy Wall Street and the Tea Party as responses to economic and political grievances (correct answer)
2. The Populist Party's 1890s campaign for free silver and railroad regulation
3. The creation of the New Deal coalition in the 1930s
4. The Seneca Falls Convention launching the women's rights movement in 1848
5. The Montgomery Bus Boycott challenging segregation in the 1950s

Explanation: The historian describes how the Great Recession led to new protest movements on both left and right due to economic grievances and elite distrust. The rise of Occupy Wall Street (left-leaning, focused on wealth inequality) and the Tea Party (right-leaning, focused on government spending) as responses to economic and political grievances (A) directly supports this claim. Both movements emerged around 2009-2011 in response to the financial crisis. The other options represent protest movements from different eras addressing different issues - Populists (1890s), New Deal coalition (1930s), Seneca Falls (1848), and Montgomery Bus Boycott (1950s).

Question 14

1. The ratification of the Twenty-Sixth Amendment lowering the voting age
2. The passage of the USA PATRIOT Act increasing federal investigative powers (correct answer)
3. The establishment of the Social Security system
4. The adoption of the Marshall Plan to rebuild Europe after World War II
5. The creation of the Environmental Protection Agency to regulate pollution

Explanation: The question asks which development reflects expanded domestic security authority after 9/11. The USA PATRIOT Act (B) directly expanded federal investigative powers through enhanced surveillance capabilities, reduced restrictions on intelligence gathering, and increased government access to personal records. This legislation exemplified the post-9/11 expansion of security measures that civil liberties groups worried could become permanent. The other options represent different historical periods or policy areas unrelated to post-9/11 domestic security expansion.

Question 15

1. The creation of the Freedmen's Bureau to assist formerly enslaved people after the Civil War
2. The rise of the Black Lives Matter movement following high-profile incidents and viral footage (correct answer)
3. The formation of the NAACP in the early 20th century
4. The passage of the Civil Rights Act of 1964 ending legal segregation in public accommodations
5. The Brown v. Board of Education decision ordering school desegregation

Explanation: The excerpt emphasizes how smartphone videos of police encounters sparked mass protests for racial justice reform. The rise of the Black Lives Matter movement following high-profile incidents and viral footage (B) directly reflects this phenomenon. BLM emerged after videos of police killings circulated widely on social media, mobilizing protests nationwide. The smartphone's ability to record and instantly share footage fundamentally changed how police violence was documented and protested. The other options represent different civil rights efforts without the smartphone video element central to the excerpt.

Question 16

1. A sharp decline in debates over war powers because Congress reasserted full control
2. Fewer controversies about civilian harm because modern warfare eliminated collateral damage
3. Ongoing disputes over targeted killings, due process, and the scope of presidential authority (correct answer)
4. The end of counterterrorism operations as the United Nations assumed responsibility
5. A return to isolationism marked by the closure of most overseas U.S. bases by 2005

Explanation: The historian argues that drone strikes and special operations, while avoiding large invasions, created new controversies about civilian casualties and executive power. This directly leads to ongoing disputes over targeted killings, due process, and presidential authority (C). Drone strikes raised constitutional questions about killing suspects without trial, the geographic scope of military action, and Congress's role in authorizing force. The other options are factually incorrect - Congress didn't reassert full control, civilian casualties remained controversial, counterterrorism continued, and the U.S. maintained global military presence.

Question 17

1. The rise of political machines in late-19th-century urban politics
2. The expansion of radio broadcasts during World War II to boost morale
3. Online disinformation campaigns and conspiracy theories influencing voter perceptions and election administration debates (correct answer)
4. The creation of the Interstate Commerce Commission to regulate railroads
5. The establishment of the Social Security system during the New Deal

Explanation: The political scientist's claim focuses on how social media spreads misinformation and affects democratic institutions, making option C the clear match. Online disinformation campaigns and conspiracy theories have indeed influenced voter perceptions and sparked debates about election administration, particularly visible in disputes over voting procedures and election results. The scientist specifically mentions how algorithm-driven feeds reward outrage and increase distrust in elections and journalism, which directly connects to how conspiracy theories spread online and undermine faith in democratic processes. The other options represent historical developments from different eras that don't involve social media or digital misinformation affecting 21st-century democracy.

Question 18

1. U.S. participation in the Berlin Airlift
2. The U.S. military intervention and extended presence in Afghanistan after 2001 (correct answer)
3. The U.S. annexation of Hawaii in 1898
4. The U.S. decision to remain neutral in World War I until 1917
5. The passage of the Homestead Act to encourage western settlement

Explanation: The excerpt specifically mentions "long occupations" that critics argued could fuel insurgency and strain alliances. The U.S. military intervention in Afghanistan after 2001 (B) became America's longest war, lasting nearly 20 years with continuous military presence, nation-building efforts, and counterinsurgency operations. This exemplifies the "long occupation" concern raised by critics. The other options represent different types of military or territorial actions - the Berlin Airlift was humanitarian aid, Hawaii's annexation was territorial expansion, WWI neutrality was non-intervention, and the Homestead Act was domestic policy.

Question 19

1. A broad national consensus to expand the New Deal welfare state
2. The rapid decline of political parties as meaningful institutions
3. Increased polarization over public health measures and heightened skepticism toward scientific and governmental guidance (correct answer)
4. The end of U.S. involvement in World War I and a return to isolationism
5. The immediate elimination of all federal regulatory agencies

Explanation: The scholar argues that COVID-19 intensified social divisions through politicized health measures and decreased trust in experts, which option C directly captures. During the pandemic, mask mandates and vaccine requirements became partisan issues, with different political groups taking opposing stances on public health measures. This politicization was amplified by misinformation spreading online, as the scholar notes. The result was increased skepticism toward scientific guidance from the CDC and other health authorities, with some viewing mandates as government overreach while others saw them as necessary public health measures. The scholar's point about how these conflicts affected trust in experts is perfectly illustrated by the polarized responses to COVID-19 health policies. The other options either misrepresent the pandemic's effects or refer to unrelated historical events.

Question 20

1. The growth of data-mining advertising models that collect and sell user information across apps and websites (correct answer)
2. The passage of the Northwest Ordinance to organize western territories
3. The establishment of the spoils system in the Jacksonian era
4. The rise of the Populist Party's demands for free silver
5. The building of the transcontinental railroad to link regional markets

Explanation: The writer describes privacy dilemmas from smartphones and data collection without meaningful consent, which option A perfectly illustrates. Data-mining advertising models collect vast amounts of user information across apps and websites, creating detailed profiles that can include location data, browsing history, purchase patterns, and personal communications. This information is often collected through complex terms of service that users don't read or understand, raising the consent issues the writer mentions. The writer's point about debates over whether existing laws can regulate corporate data collection directly relates to how these advertising models operate largely unregulated. The other options represent historical developments from different eras that don't involve digital privacy or data collection issues.