US History 20th Century Flashcards
6 cards from real US practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 US History 20th Century flashcards as text
What caused the Great Depression?
Answer: A stock market crash in 1929 combined with bank failures, declining production, and agricultural crises
The Great Depression was caused by multiple factors including the stock market crash of 1929, widespread bank failures, declining industrial production, agricultural problems, and worsening international trade.
What was the significance of D-Day, June 6, 1944?
Answer: It was the largest amphibious military assault in history, marking the Allied invasion of Nazi-occupied France
D-Day was Operation Overlord, the massive Allied invasion of Normandy, France, involving 156,000 troops and opening a crucial second front against Nazi Germany.
What was the Marshall Plan?
Answer: A US program of economic assistance to rebuild Western European nations after World War II
The Marshall Plan (1948-1952) was the US program providing over $13 billion in economic assistance to help rebuild Western European economies devastated by World War II.
What was the Korean War and how did it end?
Answer: A conflict where the US and UN forces defended South Korea against North Korean and Chinese invasion, ending in an armistice
The Korean War (1950-1953) began when North Korea invaded South Korea; US-led UN forces intervened and the war ended in an armistice that roughly restored the prewar border.
What were the major causes and consequences of the Vietnam War?
Answer: The US intervened to prevent Communist takeover of South Vietnam; US forces withdrew in 1973, South Vietnam fell in 1975, and Vietnam was unified under Communist rule
The US fought in Vietnam to prevent Communist expansion under the domino theory; after enormous casualties and domestic unrest, US forces withdrew and Vietnam was unified under Communist rule in 1975.
What was Watergate and what was its consequence?
Answer: A political scandal involving a break-in at Democratic headquarters and the cover-up by President Nixon's administration that led to his resignation
Watergate was a political scandal in which operatives connected to President Nixon broke into Democratic headquarters, and Nixon's subsequent cover-up led to his resignation in August 1974.