American HistoryQuestion 88 of 128
Why did the United States enter World War II?
a.Because Germany attacked U.S. ships in World War I
b.To purchase the Louisiana Territory
c.To stop communism in Korea
d.Because Japan attacked Pearl Harbor
Explanation
The United States entered World War II after Japan attacked the naval base at Pearl Harbor on December 7, 1941. The U.S. then joined the Allies against Japan, Germany, and Italy. The war ended in 1945.
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