Question

How did u.s.a enter in world war 2

Answer 1

THE World War II (1939-1945) was the largest armed conflict in human history. ... Although the war began with Nazi Germany's attack on Poland in September 1939, the United States did not enter the war until after the Japanese bombed the American fleet in Pearl Harbor, Hawaii, on December 7, 1941.

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Answer 2

u•s•a enter in world war 2 by doing help of two countries which was fighting, U S A selling the weapon of the country