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The United States became involved in World War II due to the attack on Pearl Harbor by the Japanesse. The United States had to act after the unprovoked and unwarned attack on one of its Military bases.

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15y ago
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13y ago

The USA joined the war when Japan attacked Pearl harbour December 7,1941

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13y ago

The Japanese attacked Pearl Harbor, Hawaii, prompting the Americans to declare war on them. The Germans, being Japan's allies, then declared war on the USA.

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13y ago

Basically it was the Japanese attack on the US Pacific Fleet at Pearl Harbor, Hawaii which brought it into WW2.

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Q: What was the cause of US involvement in world war 2?
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Related questions

Us involvement in World War 2?

1941


What was the US's involvement with World War 2?

they were a allie.


What led to the us full involvement in World War 2?

The immediate cause was Japan's attack on Pearl Harbor. This caused the US to declare war on Japan, which led to Germany and Italy declaring war on the US.


How did the us involvement in World War 2 escolate?

How_did_the_us_involvment_in_World_War_2_escolate


What year did the US end its involvement in World War 2?

1945


What was the involvement of the US in World War 2?

Supplying Allies with weapons


What ended World War 2 and US involvement?

The Japanesse surrender.


What were the reasons for us involvement in World War 2?

Self defense, the US was attacked.


What was the cause of the involvement of the US in the Persian War?

The Persian War was 499-449 BCE. The US did not exist for another 2300 years.


What impact did senator Gerald Nye's report on the cause of us involvement in world War 1 have on us foreign policy?

the report strengthened isolationist statement in the United States


What was the us involvement in world war 11?

The US is not yet involved in world 11. The next world war should be WWIII so they have a way to go.


In what year was the US involvement in World War 2?

December 7th 1941