Key Themes: Prosperity, cultural change, social conflict.
Economic Boom: Rise of consumer culture, mass production (Henry Ford’s assembly line), stock market boom.
Cultural Changes: Jazz Age, Harlem Renaissance, flappers, rise of Hollywood.
Social Conflicts: Red Scare, Palmer Raids, Sacco and Vanzetti trial, KKK resurgence, immigration restrictions (Emergency Quota Act 1921, National Origins Act 1924).
Prohibition: 18th Amendment, Volstead Act, rise of organized crime (Al Capone), speakeasies.
Scopes Trial: Clash between modernism & fundamentalism over evolution.
Women’s Suffrage: 19th Amendment (1920).
Key Themes: Isolationism, economic instability, rise of authoritarian regimes.
Isolationism: U.S. rejects Treaty of Versailles & League of Nations.
Kellogg-Briand Pact (1928): Agreement to outlaw war (symbolic, ineffective).
Rise of Fascism: Mussolini (Italy), Hitler (Germany), militarism (Japan).
Neutrality Acts: 1930s laws to prevent U.S. war involvement.
Key Themes: Isolationism vs. internationalism, economic diplomacy, lead-up to WWII.
Washington Naval Conference (1921-1922): Limits on naval armaments.
Dawes Plan (1924): U.S. loans to Germany for reparations.
Good Neighbor Policy: FDR’s non-intervention in Latin America.
Neutrality Acts (1935-1937): Prevent U.S. involvement in foreign wars.
Lend-Lease Act (1941): U.S. aid to Allies before WWII entry.
Pearl Harbor (1941): Japanese attack leads to U.S. entering WWII.
Key Themes: Economic collapse, unemployment, social suffering.
Causes: Stock market crash (1929), overproduction, wealth inequality, bank failures, Smoot-Hawley Tariff.
Hoover’s Response: Limited government action, belief in voluntarism, Hoover Dam.
Social Impact: 25% unemployment, Dust Bowl, migration, Hoovervilles.
Bonus Army (1932): WWI veterans demand early bonuses, met with violence.
Key Themes: Relief, recovery, reform; expanded federal government.
First New Deal (1933-1935): Immediate relief & recovery.
Programs: FDIC (banks), CCC (jobs), AAA (agriculture), NRA (industry), TVA (rural development).
Second New Deal (1935-1938): Long-term reform & social welfare.
Programs: Social Security Act, Wagner Act (labor rights), WPA (public works).
Criticism: Conservatives (Supreme Court opposition), liberals (Huey Long’s "Share Our Wealth").
Legacy: Bigger government role, safety nets, labor rights.
Key Themes: Global conflict, U.S. mobilization, home front.
U.S. Entry: Pearl Harbor (Dec 7, 1941).
Military Strategy: Europe-first, D-Day (1944), island-hopping (Pacific).
Home Front: War production, rationing, victory gardens, women in workforce (Rosie the Riveter).
Civil Liberties: Japanese internment (Executive Order 9066), Korematsu v. U.S.
Atomic Bomb: Manhattan Project, Hiroshima & Nagasaki (1945).
Postwar Impact: U.S. as superpower, start of Cold War.