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The United States declared war against Japan on December 8, 1941, the day after Japan's attack on Pearl Harbor, Hawaii. Three days later, on December 11, 1941, Germany declared war against the United States.

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Q: When did the US enter WW2 against Germany?
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What countries fought against the US in wii?

Both Germany and Japan fought against the US in WW2.Both Germany and Japan fought against the US in WW2.


What war was against the US and Germany?

WW2 (:


When did the US enter the ww2?

The United States declared war against Japan on December 8, 1941, the day after Japan's attack on Pearl Harbor, Hawaii. Three days later, on December 11, 1941, Germany declared war against the United States.


Germany's effort to persuade Mexico to enter into war against the US was revealed in the .?

Zimmermann Telegram


Germany's effort to persuade Mexico to enter into war against the US was revealed in the?

Zimmermann Telegram


Who was the common enemy of the US and USSR?

Germany was in WW2


Why did the US and the soviet union split after ww2?

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What year did the us enter the WW2?

December of 1941


What war did the us enter after a attack on pearl harbor?

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When did the US enter war against Japan Germany and Italy?

Japan, Dec 7, 1941 (state of war existed); Dec 8, 1941 US declaration of war against Japan; Germany declared war on US December 11, 1941.


What was the United States' reaction when Churchill asked for help against Germany in World War 2?

the us did not want to enter ww ii, the us did not want to enter ww ii,


What year did the war against America and Germany take place?

Germany started WW2 by invading Poland in September 1939. The US did not get involved until they were attacked by the Japanese on 7 Dec 1941. The next day the President declared war against Japan and Germany and Italy. So yes. 1941