World War II 1938-1945 — Hard Practice Quiz
A US History cheat sheet for World War II 1938-1945 — every key formula with its symbols defined — plus a hard-level practice quiz to test recall.
Formulas & key concepts
Policy of giving in to an aggressor's demands in order to keep the peace (e.g., Munich Agreement)
Where: Failed to stop Hitler's aggression
Law that allowed the US to ship arms and other supplies, without immediate payment, to nations fighting the Axis powers
Where: Ended US neutrality in practice
Surprise attack by Japan on the US naval base in Hawaii
Where: "A date which will live in infamy"; brought US into WWII
Alliance of Germany, Italy, and Japan during WWII
Where: Opposed by the Allies (US, UK, USSR)
Group of nations, including the US, Britain, and the Soviet Union, that opposed the Axis powers
Where: Led by FDR, Churchill, and Stalin
Agency established to coordinate the production of military supplies by US industries
Where: Ended the Great Depression
Cultural icon of WWII, representing the women who worked in factories and shipyards
Where: Symbol of women's contribution to the war effort
Restricting the amount of food and other goods people may buy during wartime to assure adequate supplies for the military
Where: Coupons used for sugar, meat, gasoline, etc.
Forced relocation and incarceration of Japanese Americans in concentration camps during WWII
Where: Executive Order 9066
Supreme Court case that upheld the constitutionality of Japanese internment
Where: Justified as a "military necessity"
African American campaign for victory over fascism abroad and victory over racism at home
Where: Laid groundwork for Civil Rights Movement
First African American military aviators in the US Armed Forces
Where: Proved African Americans could fly and fight with distinction
Allied invasion of Nazi-occupied France (Normandy)
Where: Operation Overlord; turning point in European theater
Last major German offensive campaign on the Western Front
Where: Allied victory; depleted German resources
Victory in Europe Day; marked the formal acceptance by the Allies of Nazi Germany's unconditional surrender
Where: End of war in Europe
Systematic, state-sponsored persecution and murder of six million Jews by the Nazi regime
Where: "Final Solution"; genocide
Crucial naval battle in the Pacific theater; US defeated Japan
Where: Turning point in the Pacific war
Military strategy employed by the Allies in the Pacific War against Japan and the Axis powers
Where: Bypassing heavily fortified islands to reach Japan
Bloody battles in the Pacific; critical for US invasion of Japan
Where: High casualty rates influenced decision to use atomic bomb
Code name for the secret US project set up in 1942 to develop atomic bombs
Where: Led by J. Robert Oppenheimer
Japanese cities destroyed by US atomic bombs
Where: Led to Japan's surrender and end of WWII
Victory over Japan Day; marked the end of WWII
Where: Japan formally surrendered on USS Missouri
Meeting of FDR, Churchill, and Stalin to plan for post-war world
Where: Agreed on division of Germany and creation of UN
Meeting of Truman, Churchill/Attlee, and Stalin to negotiate terms for the end of WWII
Where: Issued Potsdam Declaration demanding Japan's surrender
International organization formed to promote international peace, security, and cooperation
Where: Replaced the League of Nations
Series of military tribunals held by the Allied forces after WWII to prosecute prominent members of Nazi Germany
Where: Established principle of individual responsibility for war crimes
Law that provided financial and educational benefits for WWII veterans
Where: Helped veterans attend college and buy homes
Native Americans who used their traditional language to transmit secret Allied messages in the Pacific theater
Where: Code was never broken by the Japanese
Agreement with Mexico that allowed Mexican laborers to work in the US during WWII
Where: Addressed labor shortage in agriculture
Series of conflicts in Los Angeles between US servicemen and Mexican American youths
Where: Highlighted racial tensions on the home front
Practice quiz
How did the failure of the policy of appeasement in Europe, exemplified by the Munich Agreement, influence the eventual American decision to pass the Lend-Lease Act in 1941?
- It demonstrated that isolationism was unsustainable against aggressive totalitarian powers, prompting a shift towards aiding Allied nations.
- It directly led to the attack on Pearl Harbor, forcing the US to abandon neutrality.
- It caused the United States to align itself with the Axis Powers to maintain global stability.
- It primarily aimed to rebuild European economies devastated by the initial stages of the war.
Answer: It demonstrated that isolationism was unsustainable against aggressive totalitarian powers, prompting a shift towards aiding Allied nations.
The 'Double V Campaign' and the distinguished service of the Tuskegee Airmen during WWII collectively highlighted what critical tension within American society?
- The conflict between industrial production demands and agricultural labor shortages.
- The struggle for racial equality and civil rights amidst a national effort to combat fascism abroad.
- The debate over women's roles in the workforce versus traditional domestic responsibilities.
- The economic disparity between urban centers and rural communities during wartime.
Answer: The struggle for racial equality and civil rights amidst a national effort to combat fascism abroad.
The War Production Board's efforts to mobilize American industry, combined with the later implementation of the GI Bill of Rights (1944), collectively contributed to what significant post-war outcome?
- A prolonged economic depression due to overproduction and demobilization.
- A rapid demobilization leading to widespread unemployment and social unrest.
- A period of unprecedented economic growth, suburban expansion, and increased social mobility.
- A shift towards a purely agricultural economy as industrial capacity declined.
Answer: A period of unprecedented economic growth, suburban expansion, and increased social mobility.
The strategic approach of 'Island Hopping' in the Pacific theater, culminating in the exceptionally costly battles of Iwo Jima and Okinawa, directly influenced which major decision by the United States?
- The decision to prioritize the European theater over the Pacific front.
- The implementation of the Bracero Program to address labor shortages in the Pacific.
- The development and subsequent deployment of the atomic bomb to force Japan's surrender.
- The establishment of the United Nations as a global peacekeeping organization.
Answer: The development and subsequent deployment of the atomic bomb to force Japan's surrender.
The Supreme Court's ruling in *Korematsu v. United States* (1944) regarding Japanese Internment reflected a wartime precedent that allowed for what controversial action?
- The expansion of free speech rights for all citizens during national emergencies.
- The suspension of habeas corpus for all individuals suspected of disloyalty.
- The restriction of civil liberties for a specific ethnic group based on perceived military necessity.
- The immediate integration of all minority groups into the armed forces without discrimination.
Answer: The restriction of civil liberties for a specific ethnic group based on perceived military necessity.
While the Yalta and Potsdam Conferences aimed to establish a framework for post-war peace and reconstruction, what underlying tension, evident in the division of Germany and differing ideological goals, ultimately contributed to the emergence of the Cold War?
- Disagreements over the ethical implications of using atomic weapons.
- The conflicting geopolitical interests and ideological differences between the Soviet Union and the Western Allies.
- The debate over the future of colonial empires and self-determination.
- The economic competition between the United States and a newly industrialized Japan.
Answer: The conflicting geopolitical interests and ideological differences between the Soviet Union and the Western Allies.
The experiences of the Navajo Code Talkers and the Zoot Suit Riots (1943), though seemingly disparate, both illustrate what complex aspect of the American home front during WWII?
- The universal acceptance and integration of all minority groups into mainstream society.
- The significant contributions of diverse populations alongside persistent racial and ethnic tensions.
- The complete absence of racial discrimination due to the unified war effort.
- The primary focus on economic prosperity over any social justice concerns.
Answer: The significant contributions of diverse populations alongside persistent racial and ethnic tensions.
How did the attack on Pearl Harbor on December 7, 1941, fundamentally alter the practical abandonment of neutrality that the United States had already begun through policies like the Lend-Lease Act?
- It solidified public support for continued isolationism, delaying US entry into the war.
- It formally ended US neutrality and directly led to a declaration of war, fully committing the nation to the Allied cause.
- It shifted US military focus entirely to the Pacific theater, neglecting the European conflict.
- It resulted in the immediate withdrawal of all US aid to Allied nations, reversing previous policies.
Answer: It formally ended US neutrality and directly led to a declaration of war, fully committing the nation to the Allied cause.
The Nuremberg Trials, held by the Allied forces after WWII, established a crucial international legal precedent regarding what principle?
- The absolute immunity of national leaders from prosecution for actions taken during wartime.
- The right of sovereign nations to wage aggressive war without international consequence.
- Individual accountability for war crimes, crimes against humanity, and crimes against peace.
- The supremacy of national sovereignty over any form of international law or justice.
Answer: Individual accountability for war crimes, crimes against humanity, and crimes against peace.
The massive mobilization orchestrated by the War Production Board, coupled with the widespread implementation of rationing, had what immediate and significant impact on the American economy?
- It exacerbated the Great Depression by diverting resources away from consumer goods.
- It led to a severe economic recession due to widespread shortages and price controls.
- It effectively ended the Great Depression and stimulated unprecedented industrial growth and employment.
- It caused hyperinflation due to excessive government spending and a lack of consumer goods.
Answer: It effectively ended the Great Depression and stimulated unprecedented industrial growth and employment.
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