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They didn't. The Americans participated in World War 2 mainly because of the Japanese attacks on Pearl Harbor in Hawaii. Japan was part of the Axis along with Germany and Italy while the U.S. sided with France and Great Britain.
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∙ 11y ago
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When did the us join world war2?
US joined WW2 on December 8th 1941, the day after the American war base; Pearl Harbour was bombed by the Japanese.
What Japanese attack led America to join World War 2?
The attack on Pearl Harbor, Hawaii, on December 7, 1941.
What did Germany do to make America join World War 2?
Adolf Hilter declared war on the U.S.A after the Japanese attack on pearl habour
Why did the Japanese join world war 2?
For conquests.
How did america join World War 2?
The Japanese bombed Pearl Harbor, Hawaii on December 7th in 1941. The next day the US declared war on Japan.
Did America join World War 1?
Yes
When did America join World War 1?
April 6
When did America join World War I?
April 6th, 1917
Who provoked US to join World War 2?
The Japanese attack on Pearl Harbor.
Which country did America join in World War 1?
France and Great Britain
What made the US join World War 2 in 1941?
The Japanese attack upon Pearl Harbor .
What social evidence influenced America to join World War 2?
America joined because of Pearl Harbor.
