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Leading up to the war Hitlers expansion in Europe and Japans expansion in the far east were concerns for the United States. The actual reason we declared war on Japan and a few days later Germany was Japans attack on Pearl Harbor Hawaii on December 7, 1941. The attack killed over two thousand US Military personnel and civilians.
Wiki User
∙ 13y ago
Wiki User
∙ 13y agoThe President and the Congress declared war on Japan the day after Japanese Naval Pilots attacked the US Naval Fleet on 12-7-41.
Wiki User
∙ 12y agoThe decision of the United States to enter world war two was the Japanese bombing of Pearl Harbor on December 7, 1941.
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What date did the US officially enter into world war 2?
December 8th 1941
Date America joined World War 2?
After the attack on Pearl Harbor on December 7th 1941, the following day America declared war on Japan and Germany. So they entered the war on December 8th 1941
What was the great catylist that compelled America to enter the world war two.?
the catylist that caused America to enter world war two was the bombing of pearl harbour.
What year did the us enter the world war 2?
The United States entered World War II after the Japanese attack on Pearl Harbour on 7th December 1941. The US declared war on the following day, 8th December 1941.
How many British troops were killed by American Friendly Fire at Dunkirk?
None, I would think. The British evacuation from Dunkirk was in 1940, and America did not enter World War 2 until late 1941.
Why did America enter the war world 2?
First, Japan attacked Pearl Harbor Hawaii on December 7, 1941. Then, Germany and Italy (Japan's allies) declared war on the USA on December 9, 1941.
When did America officialy enter world war 2?
The United States declared war on Japan on 8th December 1941, the day after the Japanese attack on Pearl Harbour.
Which side was the US on in the beginning of World War 2?
At the beginning of WWII, America was neutral. The US did not enter the war until 1941, after the attack on Pearl Harbor.
America declared war on Germany what year?
America declared war on Germany in 1941.
When did the US enter world war 1 and 2?
1941
What year did the US enter Worl War 2?
1941
What year did the US enter to world war 2?
1941
What happened World War 2 1941?
America entered the war
What date did the US officially enter into world war 2?
December 8th 1941
What month in 1941 did America join the war?
December.
When did the Bulgarians enter world war 2?
March 1, 1941.
What date did pearl harbor enter the war?
December 7th, 1941
