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The United States held back in joining the war over in Europe, trying to remain neutral until it cancelled oil trade with Japan, causing the Japanese to attack us where it hurt, Pearl Harbor. President Roosevelt delcared war on Japan on December 11, 1941, causing Germany (Hitler primarily), who were allies with Japan to delcare war on the United States. Now we were in it strong and there was no turning back.
Wiki User
∙ 18y ago
Wiki User
∙ 15y agothe us entered ww2 they day after the japenese attacked pearl harbor when fdr declared war on japan.
Wiki User
∙ 10y agoJapan attacked Pearl Harbor on December 7, 1941. The US declared war the next day, joining the Allies.
Wiki User
∙ 15y agoAmerica entered WWII because of Pearl Harbor and because on Dec 11 Hitler declared war on the U.S
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Who are holders of World War 2 army World War 2 guadalcanal?
japenese then the Americans
How did World War 2 affect Japanese Americans?
The Japanese-American citizens were compelled to enter into what were essentially concentration camps for the duration of the war ~ see related link below .
Why did us enter the Great War 2 and a half years after the war was started?
World War 2
At the beginning of World War 2 most Americans wanted to be what in the war?
Neutral
How did Americans get war news in world war 2?
radios, newspapers, and newsreels
Why didn't americans want to enter world war 2?
mariah norriss
What event made Americans willing to enter World War 2?
pearl harbour!
What happen to the Japanese Americana durning world war 2?
The Japanese-Americans were compelled to enter into internment camps .
Americans did not join the allies during the first of world war ll?
Americans did not "officially and legally" enter world war 2 until Pearl Harbor was bombed, however the Americans were helping with food, supplies, war materiels, and add ship convoy protection.
What happened to Japanese Americans during world war 2 as a response to war with japan?
They were compelled to enter into internment camps ; the same thing as a concentration camp .
What convinced many Americans that the US need to prepare to enter World War 2?
The alliance between Germany, Italy, and Japan
What convinced many Americans that the US needed to prepare to to enter World War 2?
The alliance between Germany, Italy, and Japan
Who are holders of World War 2 army World War 2 guadalcanal?
japenese then the Americans
Did Korea enter World War 2?
No
How did World War 2 affect Japanese Americans?
The Japanese-American citizens were compelled to enter into what were essentially concentration camps for the duration of the war ~ see related link below .
Which Americans were interned during World War 2?
Japanese-Americans .
Was it vital for the US to enter in World war 2?
yes it was vital 4 the US 2 enter World War 2 because we needed their help 2 win the war. It turns out tht because of them we won the war.
