Apush period 7

UNIT 7 – TOPIC 1: The Expansion of U.S. Power Overseas

UNIT 7 – TOPIC 2: Debates About American Imperialism

7.3 – The Spanish–American War

• Cuba
  Definition: Caribbean island and former Spanish colony.
  Significance: Cuban nationalist revolt against Spain drew U.S. interest and helped start the Spanish-American War.

• Spanish Empire
  Definition: Colonial empire that still controlled Cuba, the Philippines, and other territories by the late 1800s.
  Significance: The decline of Spanish control gave the U.S. an opportunity to expand influence.

• Yellow Journalism
  Definition: Sensationalized and exaggerated news reporting.
  Significance: Fueled U.S. support for war by highlighting alleged Spanish atrocities in Cuba.

• Joseph Pulitzer & William Randolph Hearst
  Definition: Rival newspaper publishers known for yellow journalism.
  Significance: Their dramatic headlines stirred public outrage and pushed the U.S. toward war.

• USS Maine
  Definition: American battleship that exploded in Havana Harbor in 1898.
  Significance: Used as justification for war, though the cause of the explosion was later found to be accidental.

• Humanitarianism
  Definition: Belief in helping others suffering under oppression.
  Significance: Used to justify U.S. intervention in Cuba as a moral obligation.

• President William McKinley
  Definition: U.S. president during the Spanish–American War.
  Significance: Pressured into war despite Spain agreeing to U.S. demands; showed U.S. resolve to act globally.

• Platt Amendment (1901)
  Definition: Amendment allowing U.S. intervention in Cuba and control over its foreign affairs.
  Significance: Made Cuba a U.S. protectorate, limiting its true independence.

• Philippines
  Definition: Pacific islands controlled by Spain, then seized by the U.S.
  Significance: Their annexation sparked debate and war with Filipino nationalists.

• Emilio Aguinaldo
  Definition: Filipino revolutionary leader.
  Significance: Led resistance against both Spain and later the U.S., resulting in the Philippine–American War.

• Philippine–American War (1899–1902)
  Definition: Conflict between Filipino rebels and U.S. forces after annexation.
  Significance: Demonstrated limits of U.S. claims about "liberating" territories.

• $20 Million Payment
  Definition: Amount the U.S. paid Spain for the Philippines.
  Significance: Signified that the U.S. bought the territory, reinforcing imperial ambitions.

• Annexation of Hawaii (1898)
  Definition: U.S. formal takeover of Hawaii after overthrowing Queen Liliuokalani.
  Significance: Gave the U.S. a key military and coaling base in the Pacific.

• Queen Liliuokalani
  Definition: Last monarch of Hawaii, overthrown by U.S.-backed settlers.
  Significance: Her removal paved the way for U.S. annexation and expansion into the Pacific.

• Open Door Policy (1899)
  Definition: U.S. policy calling for equal trading rights in China.
  Significance: Demonstrated U.S. use of diplomacy—not colonization—to expand economic influence in Asia.

• John Hay
  Definition: U.S. Secretary of State who promoted the Open Door Policy.
  Significance: Helped secure American economic presence in China despite European competition.

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4o

You said:

7.4 terms only

ChatGPT said:

Here are the key terms for APUSH Unit 7 Topic 4: The Progressive Era, with simple definitions and clear significance from both Heimler’s History and the College Board CED:

7.4 – The Progressive Era

• Progressives
  Definition: Reformers who aimed to fix problems caused by industrialization and urbanization.
  Significance: Pushed for government regulation, social justice, labor rights, and expanded democracy.

• Muckrakers
  Definition: Investigative journalists who exposed corruption and social problems.
  Significance: Raised public awareness and inspired calls for reform.

• Upton Sinclair / The Jungle
  Definition: Author who exposed unsanitary meatpacking conditions.
  Significance: Led to the Pure Food and Drug Act and the Meat Inspection Act.

• Ida Tarbell
  Definition: Muckraker who exposed abuses by Standard Oil.
  Significance: Helped break up monopolies and push antitrust reforms.

• Jacob Riis / How the Other Half Lives
  Definition: Photojournalist who documented poverty in urban tenements.
  Significance: Brought attention to poor living conditions and inspired housing reform.

• Social Gospel
  Definition: Christian movement urging social justice and service to the poor.
  Significance: Motivated many reformers during the Progressive Era.

• Direct Primary
  Definition: Election where voters, not party leaders, choose candidates.
  Significance: Reduced the power of political machines.

• Initiative
  Definition: Citizens propose laws directly.
  Significance: Gave voters more control over legislation.

• Referendum
  Definition: Citizens vote directly on proposed laws.
  Significance: Increased public influence over policymaking.

• Recall
  Definition: Citizens can remove elected officials from office.
  Significance: Held politicians more accountable between elections.

• 17th Amendment (1913)
  Definition: Allowed direct election of U.S. senators.
  Significance: Reduced corruption from state legislatures and big business.

• 18th Amendment (1919)
  Definition: Banned the manufacture and sale of alcohol (Prohibition).
  Significance: Reflected Progressive support for moral reform.

• 19th Amendment (1920)
  Definition: Gave women the right to vote.
  Significance: Major victory for the women’s suffrage movement.

• Tammany Hall
  Definition: Powerful political machine in New York City.
  Significance: Symbol of urban corruption targeted by Progressives.

• Square Deal
  Definition: Theodore Roosevelt’s domestic program for fairness and reform.
  Significance: Focused on consumer protection, labor rights, and limiting corporate power.

• Sherman Antitrust Act
  Definition: Law banning monopolies and trusts that restrict competition.
  Significance: Used by Progressives (especially Roosevelt) to break up big corporations.

• Meat Inspection Act / Pure Food and Drug Act (1906)
  Definition: Laws ensuring safer food and medicine.
  Significance: Responded to muckraker reports and expanded federal regulation.

• Forest Reserve Act (1891)
  Definition: Allowed federal protection of land for conservation.
  Significance: Marked early government action to preserve natural resources.

• Conservation vs. Exploitation Debate
  Definition: Tension between protecting nature vs. using resources for economic gain.
  Significance: Defined differing Progressive and industrialist views on the environment.

• W.E.B. DuBois
  Definition: Black Progressive leader and co-founder of the NAACP.
  Significance: Advocated for immediate civil rights and higher education for African Americans.

• Niagara Movement / NAACP
  Definition: Civil rights organizations pushing for racial equality.
  Significance: Aimed to end segregation and expand Black educational opportunities.

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4o

You said:

7.5 terms only

ChatGPT said:

Here are the key terms for APUSH Unit 7 Topic 5: World War I – Military & Diplomacy, with simple definitions and significance from Heimler’s History and the College Board CED:

7.5 – World War I: Military & Diplomacy

• Triple Entente
  Definition: Alliance of Britain, France, and Russia.
  Significance: Fought against the Central Powers in World War I.

• Triple Alliance
  Definition: Alliance of Germany, Austria-Hungary, and Italy.
  Significance: Opposed the Triple Entente; known as the Central Powers.

• Central Powers
  Definition: Germany, Austria-Hungary, and the Ottoman Empire.
  Significance: Fought against the Allies in World War I.

• Allied Powers
  Definition: Britain, France, Russia, and later the U.S. and others.
  Significance: Fought and eventually defeated the Central Powers.

• Neutrality
  Definition: U.S. policy of avoiding involvement in European conflicts.
  Significance: Abandoned after repeated German aggression and threats to American interests.

• Lusitania
  Definition: British passenger ship sunk by German U-boat in 1915, killing 128 Americans.
  Significance: Turned American public opinion against Germany and moved the U.S. closer to war.

• Unrestricted Submarine Warfare
  Definition: German policy of sinking all ships, including civilian and neutral, in war zones.
  Significance: Major factor that pushed the U.S. into World War I.

• Zimmermann Telegram
  Definition: Secret message from Germany to Mexico proposing an alliance against the U.S.
  Significance: Outraged Americans and helped justify entry into the war.

• Woodrow Wilson
  Definition: U.S. president during World War I.
  Significance: Advocated for war to "make the world safe for democracy" and led postwar peace efforts.

• American Expeditionary Forces (AEF)
  Definition: U.S. troops sent to fight in Europe under General John J. Pershing.
  Significance: Strengthened Allied forces and helped shift the war in their favor.

• Treaty of Versailles (1919)
  Definition: Peace treaty that ended World War I.
  Significance: Blamed Germany for the war, imposed harsh penalties, and created the League of Nations.

• Fourteen Points
  Definition: Wilson’s plan for postwar peace including self-determination, free trade, and no secret treaties.
  Significance: Only partially adopted in the Treaty of Versailles; idealistic vision not fully realized.

• League of Nations
  Definition: International peacekeeping organization proposed by Wilson.
  Significance: Created by the treaty, but the U.S. Senate refused to join, weakening its power.

• Self-Determination
  Definition: Right of peoples to choose their own form of government.
  Significance: Key part of Wilson’s postwar goals, especially for Europe’s ethnic groups.

• Congressional Rejection of Treaty
  Definition: U.S. Senate refused to ratify the Treaty of Versailles.
  Significance: Kept the U.S. out of the League of Nations and signaled return to isolationism.

• Spanish Flu (1918)
  Definition: Global influenza pandemic during the final months of World War I.
  Significance: Weakened Wilson during negotiations and killed millions worldwide.

Key Terms from 7.6 – World War I on the Homefront

• Total war
  Definition: A war that requires full use of a nation’s resources (economic, industrial, and social)
  Significance: The U.S. mobilized all parts of society to support the war effort, including labor, food, and production.

• War Industries Board
  Definition: A government agency that coordinated industrial production during WWI
  Significance: Ensured factories efficiently produced war materials by managing labor and industrial priorities.

• Food Administration
  Definition: Government body led by Herbert Hoover to manage food supply
  Significance: Increased food production and encouraged voluntary rationing to support troops.

• Rural to urban migration
  Definition: Movement of people from the countryside to cities
  Significance: Driven by industrial jobs created by the war effort.

• Espionage Act (1917)
  Definition: Law that made it a crime to interfere with the draft or support U.S. enemies
  Significance: Restricted civil liberties and dissent during wartime.

• Sedition Act (1918)
  Definition: Law that criminalized speech seen as disloyal to the U.S. government or war effort
  Significance: Limited free speech and was used to suppress anti-war activists.

• Schenck v. United States (1919)
  Definition: Supreme Court case that upheld limits on free speech during wartime
  Significance: Ruled that speech posing a "clear and present danger" is not protected under the First Amendment.

• Spanish Flu
  Definition: A deadly influenza pandemic during 1918–1919
  Significance: Killed hundreds of thousands of Americans, and the government suppressed reporting to maintain morale.

• Red Scare (1919)
  Definition: Fear of communism spreading in the U.S. after the Russian Revolution
  Significance: Led to widespread suspicion of radicals and immigrants.

• Palmer Raids
  Definition: Government raids to arrest suspected communists and radicals
  Significance: Over 6,000 people were arrested and 500 deported; reflected rising nativism and fear of revolution.

• Emergency Quota Act (1921)
  Definition: Law that set immigration limits based on nationality
  Significance: Drastically reduced immigration from southern and eastern Europe.

• National Origins Act (1924)
  Definition: Law that made quota restrictions permanent and more severe
  Significance: Favored northern Europeans and severely restricted others, especially Asians.

• Great Migration
  Definition: Mass movement of Black Americans from the rural South to the urban North
  Significance: Driven by job opportunities and escape from Jim Crow segregation; reshaped U.S. demographics.

• Jim Crow Laws
  Definition: State and local laws enforcing racial segregation in the South
  Significance: One of the main reasons for the Great Migration; caused systemic oppression.

• Tulsa Race Massacre (1921)
  Definition: White mob attack on Black residents in Tulsa, Oklahoma
  Significance: Over 300 Black Americans were killed; highlighted racial violence even outside the South.

• Xenophobia
  Definition: Fear or hatred of foreigners
  Significance: Increased during and after WWI, leading to restrictive immigration laws.

Let me know if you'd like these terms in flashcard format or combined with another topic

7.7 – The 1920s: Innovations in Communication and Technology

Key Terms and Definitions

Here are the key terms from APUSH Unit 7 Topic 8: The 1920s — Cultural and Political Controversies, with simple definitions and significance:

1. Flappers

• Definition: Young women in the 1920s who rejected traditional norms by wearing short skirts, cutting their hair, smoking, drinking, and showing more independence.

• Significance: Symbolized the cultural shift in women’s roles and the growing challenge to Victorian gender norms.

2. Great Migration

• Definition: The mass movement of African Americans from the rural South to urban centers in the North during and after World War I.

• Significance: Helped fuel the Harlem Renaissance and reshaped the demographic and cultural makeup of Northern cities.

3. Harlem Renaissance

• Definition: A cultural, social, and artistic explosion centered in Harlem, New York, during the 1920s, celebrating Black identity and creativity.

• Significance: Marked a high point in Black cultural expression and challenged racial stereotypes through jazz, literature, and art.

4. Langston Hughes

• Definition: A leading poet and writer of the Harlem Renaissance.

• Significance: Captured the Black American experience and advocated for racial pride and equality through literature.

5. Lost Generation

• Definition: A group of disillusioned American writers in the 1920s, including F. Scott Fitzgerald and Ernest Hemingway.

• Significance: Criticized postwar materialism, consumer culture, and the perceived emptiness of modern life.

6. Modernism

• Definition: A cultural movement embracing innovation, new ideas, and a break from tradition—especially in urban Protestant faiths and literature.

• Significance: Represented urban America's acceptance of modern gender roles and science, including evolution.

7. Fundamentalism

• Definition: A religious movement emphasizing a literal interpretation of the Bible and rejection of modernist ideas like evolution.

• Significance: Drove rural opposition to cultural changes and led to conflicts like the Scopes Trial.

8. Scopes Trial (1925)

• Definition: A legal case in Tennessee where teacher John Scopes was tried for teaching evolution, violating a state law.

• Significance: Symbolized the clash between modernist and traditionalist values; although Scopes was convicted, the trial publicly discredited fundamentalism.

9. William Jennings Bryan

• Definition: Prosecuting attorney in the Scopes Trial and defender of biblical literalism.

• Significance: Represented the rural fundamentalist cause during a cultural turning point.

10. Clarence Darrow

• Definition: Defense attorney for John Scopes in the Scopes Trial.

• Significance: Challenged religious fundamentalism and advocated for intellectual freedom and science.

11. Emergency Quota Act (1921)

• Definition: Immigration law that limited annual immigration to 3% of a nationality based on the 1910 census.

• Significance: Reflected growing nativist sentiment and aimed to preserve the “racial” makeup of the U.S.

12. National Origins Act (1924)

• Definition: Further restricted immigration by setting quotas based on the 1890 census and banning Asian immigrants.

• Significance: Institutionalized nativism and drastically limited immigration from Eastern and Southern Europe.

ere are all the legitimate APUSH key terms from Unit 7 Topics 9 & 10 (The Great Depression and the New Deal), with simple definitions and why each one matters (significance):

7.9 – The Great Depression

7.10 – The New Deal

From Heimler’s Guide and Visuals

1. Isolationism

   • Definition: A foreign policy of avoiding political or military involvement with other countries.

   • Significance: Dominated U.S. policy in the 1920s and 1930s due to WWI trauma and a desire to focus on domestic issues.

2. Entanglement

   • Definition: Being involved in foreign alliances or conflicts.

   • Significance: Americans wanted to avoid European entanglements after WWI.

3. Warren G. Harding / “Return to Normalcy”

   • Definition: Harding’s 1920 campaign promise to return the U.S. to pre-WWI policies.

   • Significance: Reflected the isolationist shift in foreign policy and rejection of Wilsonian internationalism.

4. Fordney-McCumber Tariff (1922)

   • Definition: A high tariff on imported goods.

   • Significance: Part of economic nationalism and isolationism; hurt international trade.

5. Smoot-Hawley Tariff (1930)

   • Definition: Raised U.S. tariffs to historic highs.

   • Significance: Deepened the Great Depression by reducing international trade.

6. Kellogg-Briand Pact (1928)

   • Definition: International agreement to renounce war as a national policy.

   • Significance: Symbolic and unenforceable; showed idealistic attempts to prevent war.

7. League of Nations

   • Definition: International peace organization from Wilson’s Fourteen Points.

   • Significance: The U.S. never joined, weakening its power and reflecting isolationism.

8. Fascism & Totalitarianism

   • Definition: Authoritarian systems under leaders like Mussolini and Hitler.

   • Significance: Their rise in Europe challenged U.S. isolationism.

9. Adolf Hitler / Nazi Germany

   • Definition: Leader of Nazi Germany; promoted aggressive militarism.

   • Significance: His expansionism pushed the U.S. toward war despite its initial neutrality.

10. Mussolini / Fascist Italy

• Definition: Dictator of Italy who founded Fascism.

• Significance: His invasion of Ethiopia added to global tensions.

11. Japan Invades Manchuria (1931)

• Definition: Japan's occupation of Chinese territory.

• Significance: Early challenge to peace; U.S. did not intervene due to isolationism.

12. Nye Committee (1934–36)

• Definition: Senate committee that investigated arms manufacturers.

• Significance: Suggested profiteering from WWI, increasing support for neutrality.

13. Neutrality Acts (1930s)

• Definition: Laws passed to limit U.S. involvement in future wars.

• Significance: Forbade arms sales and loans to warring nations.

14. Cash-and-Carry Policy

• Definition: Allowed belligerents to purchase arms from the U.S. if they paid cash and used their own ships.

• Significance: Helped Britain while maintaining the appearance of neutrality.

15. Destroyers-for-Bases Deal (1940)

• Definition: U.S. gave Britain naval destroyers in exchange for military base rights.

• Significance: Marked a move away from isolationism.

16. Lend-Lease Act (1941)

• Definition: Allowed the U.S. to supply arms to Allies on credit.

• Significance: Official end to neutrality; deepened U.S. involvement in WWII.

17. Pearl Harbor (Dec. 7, 1941)

• Definition: Surprise Japanese attack on a U.S. naval base.

• Significance: Immediate cause of U.S. entry into WWII.

18. Interventionists

• Definition: Americans who favored aiding the Allies and entering WWII.

• Significance: Gained influence as threats abroad grew.

19. Atlantic Ocean as a buffer

• Definition: Belief that ocean distance kept the U.S. safe from war.

• Significance: Used to justify isolationism until submarine/airplane warfare changed the calculation.

Here are the key terms from Unit 7 Topic 12 – World War II: Mobilization, based on your images and the CED:

1. Pearl Harbor

   • Definition: U.S. naval base in Hawaii attacked by Japan on December 7, 1941.

   • Significance: Direct cause of U.S. entry into WWII, ending American isolationism.

2. Total War

   • Definition: A war in which a country uses all its resources—military and civilian—to support the war effort.

   • Significance: WWII required full mobilization of the U.S. economy and society.

3. War Production Board

   • Definition: U.S. agency that directed industrial output during WWII.

   • Significance: Helped shift factories from civilian to military production.

4. Office of War Mobilization

   • Definition: Coordinated all government agencies involved in the war effort.

   • Significance: Streamlined wartime production and resource allocation.

5. Rosie the Riveter

   • Definition: Cultural icon representing women working in wartime factories.

   • Significance: Symbolized the new role of women in the workforce and gender shifts during the war.

6. Double V Campaign

   • Definition: A movement by Black Americans for victory against fascism abroad and racism at home.

   • Significance: Highlighted racial inequality and increased civil rights activism.

7. Tuskegee Airmen

   • Definition: All-Black squadron of fighter pilots in WWII.

   • Significance: Proved African Americans' capability in combat and challenged military segregation.

8. Selective Service Act (1940)

   • Definition: First peacetime military draft in U.S. history.

   • Significance: Allowed for rapid military buildup even before full involvement in the war.

9. Japanese Relocation / Internment

   • Definition: Forced relocation of over 100,000 Japanese Americans to internment camps during WWII.

   • Significance: Civil liberties were violated due to racial prejudice and wartime fear.

10. Executive Order 9066

    • Definition: Order issued by FDR that authorized the internment of Japanese Americans.

    • Significance: Institutionalized racial discrimination in the name of national security.

11. Korematsu v. United States (1944)

    • Definition: Supreme Court case that upheld internment as constitutional.

    • Significance: Demonstrated the limits of civil liberties during wartime; later criticized.

12. Reparations (1988)

    • Definition: U.S. government’s apology and $20,000 payment to surviving Japanese internees.

    • Significance: Acknowledgment of injustice and symbolic redress decades later.

13. Unemployment and GDP in WWII

    • Definition: WWII decreased unemployment and boosted the U.S. economy.

    • Significance: Helped lift the U.S. out of the Great Depression and expand federal influence in the economy.

Key Terms with Definitions and Significance

1. Pacific Theater
   Definition: The region of WWII military conflict in the Pacific, mainly between the U.S. and Japan.
   Significance: U.S. efforts focused on stopping Japanese expansion and reclaiming territory, leading to key victories like Midway and eventual Japanese surrender.

2. European Theater
   Definition: The region of WWII conflict in Europe, mainly involving the U.S., Britain, and the Soviet Union fighting Nazi Germany.
   Significance: Critical battles like D-Day and the liberation of France occurred here, ending in Hitler’s defeat.

3. Battle of Midway (1942)
   Definition: A turning point naval battle in the Pacific where the U.S. severely damaged Japan’s fleet.
   Significance: Shifted momentum in the Pacific in favor of the U.S. and began Japan’s decline.

4. Island-Hopping
   Definition: U.S. strategy of attacking selected islands and bypassing heavily defended ones.
   Significance: Cut off Japanese supply lines and weakened their position in the Pacific.

5. D-Day (June 6, 1944)
   Definition: The Allied invasion of Nazi-occupied France on the Normandy beaches.
   Significance: Opened a Western front in Europe, leading to the liberation of France and pushing Germany back.

6. Battle of the Bulge
   Definition: Germany’s final major offensive in Belgium during the winter of 1944–45.
   Significance: The failed attack depleted German forces, speeding up Allied victory in Europe.

7. Tehran Conference (1943)
   Definition: A meeting between Roosevelt, Churchill, and Stalin to plan D-Day and postwar strategy.
   Significance: Established Allied cooperation and laid groundwork for victory in Europe.

8. V-E Day (May 8, 1945)
   Definition: “Victory in Europe” Day—when Germany officially surrendered.
   Significance: Marked the end of WWII in Europe.

9. Hiroshima and Nagasaki
   Definition: Japanese cities where the U.S. dropped atomic bombs in August 1945.
   Significance: Forced Japan to surrender and brought WWII to an end.

10. Manhattan Project
    Definition: The secret U.S. project to develop atomic bombs.
    Significance: Led to the creation of nuclear weapons that ended the war and started the nuclear age.

11. Harry Truman
    Definition: U.S. president after FDR; ordered the dropping of atomic bombs.
    Significance: Made the final decision that ended the war with Japan.

12. V-J Day (September 2, 1945)
    Definition: “Victory over Japan” Day—when Japan officially surrendered.
    Significance: Ended World War II completely.

Unit 7 Topic 14: Postwar Diplomacy

1. Superpower

• Definition: A nation with dominant global influence in military, economic, and political terms.

• Significance: After WWII, the U.S. emerged as the world’s leading superpower due to its intact infrastructure and decisive military and economic contributions to the war.

2. Pearl Harbor

• Definition: U.S. naval base attacked by Japan on December 7, 1941.

• Significance: Only major domestic site of WWII destruction, making U.S. postwar recovery much easier than Europe's.

3. Atomic Bomb

• Definition: A nuclear weapon used by the U.S. on Hiroshima and Nagasaki to end WWII.

• Significance: Displayed U.S. technological superiority and helped solidify its superpower status.

4. Yalta Conference (1945)

• Definition: Meeting of Churchill, Roosevelt, and Stalin to discuss postwar plans.

• Significance: They agreed to divide Germany, allow free elections in Eastern Europe, and create the United Nations.

5. Buffer Zone

• Definition: A neutral area created to separate hostile forces.

• Significance: Stalin insisted on keeping Eastern European countries as a buffer between the USSR and Western Europe.

6. Marshall Plan

• Definition: U.S. program offering financial aid to help rebuild European economies after WWII.

• Significance: Aimed to prevent the spread of communism by encouraging democratic capitalism.

7. Capitalism vs. Communism

• Definition: Competing economic and political systems (free market vs. state-controlled).

• Significance: Their opposition became the root of Cold War tensions after WWII.

Unit 7 Topic 15: Consequences of U.S. Involvement in WWII

1. United Nations (UN)

• Definition: International peacekeeping organization founded in 1945.

• Significance: Replaced the failed League of Nations and successfully coordinated peace efforts with military enforcement capabilities.

2. League of Nations

• Definition: International body formed after WWI to prevent future wars.

• Significance: Failed due to U.S. non-participation and lack of enforcement power; contrast with UN.

3. Congress and Enforcement

• Definition: U.S. Congress refused to join the League after WWI.

• Significance: After WWII, U.S. joined the UN, signaling its new global leadership role.

4. Infrastructure

• Definition: Basic facilities like roads, military bases, and peacekeeping forces.

• Significance: UN had infrastructure to stabilize war-torn areas, unlike the League.

5. Stabilization

• Definition: The act of bringing stability to conflict zones.

• Significance: Core mission of the UN through peacekeeping forces.

6. Economic Boom

• Definition: Rapid economic growth in the U.S. after WWII due to increased industrial production.

• Significance: Helped pull the U.S. out of the Great Depression and fueled its superpower status.

7. Civil Rights Movement

• Definition: Struggle for social justice by African Americans post-WWII.

• Significance: War participation by Black Americans sparked momentum for racial equality.

8. Cold War

• Definition: Political and ideological conflict between the U.S. and the Soviet Union.

• Significance: Emerged directly from postwar tensions and competition for global influence.