AP US History Unit 7: 1890-1945: World Wars Era — Free Review Games.
This unit covers Progressivism, WWI, Great Depression and WWII — essential concepts for AP US History. Use our interactive study games to test your understanding, or review questions in traditional format below.
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This unit covers Progressivism, WWI, Great Depression and WWII — essential concepts for AP US History. Use our interactive study games to test your understanding, or review questions in traditional format below.
Key Concepts Breakdown
1 Progressivism
Progressivism (1890s–1920s) was a reform movement responding to industrialization, urbanization, and corruption. Students must understand how muckrakers, new constitutional amendments, and government legislation addressed social and political inequality. The AP exam tests causes, key reforms, and limits of Progressive-era change.
Key Points
- Muckrakers (Upton Sinclair, Ida Tarbell) exposed corporate and governmental abuses, pressuring legislative action
- 16th (income tax), 17th (direct Senate election), 18th (Prohibition), and 19th (women's suffrage) Amendments all passed during this era
- Theodore Roosevelt's Square Deal and trust-busting used federal power to regulate big business and protect consumers
- Progressivism largely excluded African Americans; Jim Crow laws and racial segregation continued unchallenged by most reformers
An AP exam prompt asks: 'To what extent did Progressive-era reforms change the relationship between the federal government and the economy?'
A strong response would argue that reforms significantly expanded federal regulatory power, citing the Sherman Antitrust Act's enforcement, the Pure Food and Drug Act (1906), and the creation of the Federal Reserve (1913). However, the response should acknowledge limits: reforms protected capitalism rather than replacing it, and corporate influence on politics persisted. Earning the complexity point requires noting that some reforms (e.g., Prohibition) reflected cultural conservatism, not just economic progressivism.
2 World War I
Students must know why the U.S. entered WWI in 1917, how the war transformed the home front, and why Wilson's Fourteen Points largely failed at Versailles. The AP exam frequently tests the tension between Wilson's idealism and the Senate's rejection of the League of Nations, as well as wartime civil liberties restrictions.
Key Points
- U.S. neutrality ended due to unrestricted submarine warfare (Lusitania, 1915) and the Zimmermann Telegram (1917)
- Espionage Act (1917) and Sedition Act (1918) suppressed antiwar dissent; Schenck v. United States upheld these limits on free speech
- The Great Migration accelerated as African Americans moved north for wartime industrial jobs, reshaping demographic and racial dynamics
- Senate rejected the Treaty of Versailles (1919–1920) largely over Article X of the League of Nations Covenant; U.S. never joined the League
Document-based question excerpt: A 1919 senator argues that joining the League of Nations would unconstitutionally transfer Congress's war-declaring power to an international body.
This argument reflects the 'Reservationist' position led by Henry Cabot Lodge, who opposed Article X's collective security obligation. To analyze this document correctly, students should contextualize it within the broader debate between Wilson's internationalism and Congressional concerns about sovereignty. Students should also note that 'Irreconcilables' opposed the League entirely, distinguishing between the two Republican factions the exam expects you to identify.
3 Great Depression
Students must explain both causes of the Great Depression and evaluate how effectively New Deal programs addressed it. The AP exam tests whether students can distinguish Hoover's limited response from FDR's activist government, and critically assess what the New Deal did and did not accomplish.
Key Points
- Causes: overproduction, stock speculation, bank failures, Smoot-Hawley Tariff (1930), and weak global demand created a cascading collapse
- Hoover favored voluntary cooperation and opposed direct federal relief; his inaction deepened public suffering and political backlash
- FDR's First Hundred Days created emergency banking reform, FDIC, AAA, NRA, CCC, and PWA — expanding federal power dramatically
- New Deal critics included Huey Long (too conservative), Father Coughlin (fascist leanings), and the Supreme Court (declared AAA and NRA unconstitutional)
Short-answer question: Briefly explain ONE way the New Deal represented continuity with the Progressive Era and ONE way it represented a departure.
Continuity: Like Progressives, the New Deal used federal regulatory power to curb market excesses, as seen in the Securities Exchange Act (1934) mirroring earlier antitrust efforts. Departure: Unlike Progressives, the New Deal provided direct federal relief to individuals (Social Security Act, 1935), establishing a permanent welfare state role for the federal government. Students should be precise with legislation and dates to earn full credit on SAQ responses.
4 World War II
Students must understand the causes of U.S. entry into WWII, the home front's social transformations, and postwar consequences including the origins of the Cold War. The AP exam tests the tension between democratic ideals and wartime civil liberties violations, as well as how the war reshaped American society and global power.
Key Points
- U.S. moved from isolationism (Neutrality Acts, 1935–1937) to intervention via Lend-Lease (1941) before Pearl Harbor (December 7, 1941) ended neutrality
- Japanese American internment (Executive Order 9066, 1942) and Korematsu v. United States (1944) represent a major civil liberties failure upheld by the Supreme Court
- The war economically transformed the U.S.: unemployment ended, women entered the workforce (Rosie the Riveter), and the Sun Belt expanded with defense industries
- Yalta Conference (1945) and atomic bombings of Hiroshima/Nagasaki set the stage for Cold War tensions over Soviet expansion and nuclear weapons
Long-essay question: 'Evaluate the extent to which World War II transformed the social and economic status of marginalized groups in the United States.'
A high-scoring essay would argue for significant but incomplete transformation: women gained wartime industrial employment but were pushed back into domestic roles postwar; African Americans used the 'Double V' campaign to link overseas democracy with domestic civil rights, and the NAACP grew substantially, but Jim Crow persisted until the 1950s–60s. Japanese Americans gained belated redress only in 1988 (Civil Liberties Act). The thesis must make a historically defensible claim with a line of reasoning, and evidence must be specific and directly tied to the argument.
Questions, answered.
What is 1890-1945: World Wars Era?
1890-1945: World Wars Era is Unit 7 of AP US History, covering Progressivism, WWI, Great Depression and WWII.
How to study for AP US History Unit 7?
Start with the Quick Summary above, review the Key Concepts, then test yourself with our interactive study games. Aim for 80%+ accuracy before moving on.
How many questions are in this unit?
This unit has 35+ review questions across 5 different game modes.