100. Name one war fought by the United States in the 1900s.
Official answers:
- World War I
- World War II
- Korean War
- Vietnam War
- (Persian) Gulf War
Why? The U.S. fought in World War II from 1941 to 1945, after Japan attacked Pearl Harbor.
World wars and the Great Depression: civics questions 100–108 with answers
From the 2025 civics test (128 questions). Read each question, the official answers and why. Press Listen to hear the question and the answer.
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Play this level101. Why did the United States enter World War I?
Official answers:
- Because Germany attacked U.S. (civilian) ships
- To support the Allied Powers (England, France, Italy, and Russia)
- To oppose the Central Powers (Germany, Austria-Hungary, the Ottoman Empire, and Bulgaria)
Why? German submarines sank American ships. The U.S. joined the war in 1917, on the side of the Allies.
102. When did all women get the right to vote?
Official answers:
- 1920
- After World War I
- (With the) 19th Amendment
Why? The 19th Amendment became law in 1920, about 70 years after women first asked for the vote.
103. What was the Great Depression?
Official answer:
- Longest economic recession in modern history
Why? In the 1930s, banks closed and millions lost their jobs. About one in four workers had no job.
- recession: a time when business is bad and jobs are lost
104. When did the Great Depression start?
Official answers:
- The Great Crash (1929)
- Stock market crash of 1929
Why? In October 1929, stock prices fell very fast. Many people lost their savings, and hard times lasted about ten years.
- stock market: a place where people buy and sell parts of companies
105. Who was president during the Great Depression and World War II?
Official answer:
- (Franklin) Roosevelt
Why? Roosevelt was elected four times. His New Deal created jobs, and he led the country in World War II.
106. Why did the United States enter World War II?
Official answers:
- (Bombing of) Pearl Harbor
- Japanese attacked Pearl Harbor
- To support the Allied Powers (England, France, and Russia)
- To oppose the Axis Powers (Germany, Italy, and Japan)
Why? Japan bombed the U.S. Navy base at Pearl Harbor, Hawaii, on December 7, 1941. The U.S. entered the war the next day.
107. Dwight Eisenhower is famous for many things. Name one.
Official answers:
- General during World War II
- President at the end of (during) the Korean War
- 34th president of the United States
- Signed the Federal-Aid Highway Act of 1956 (Created the Interstate System)
Why? Eisenhower led the D-Day invasion of France in 1944. Later he was the 34th president.
108. Who was the United States’ main rival during the Cold War?
Official answers:
- Soviet Union
- USSR
- Russia
Why? From about 1947 to 1991, the U.S. and the Soviet Union competed for power without fighting each other directly.
- rival: someone you compete against
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