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The US joined WWII because of Pearl Harbor.
The Japanese bombed the naval station of Pearl Harbor Hawaii December 7, 1941 at around 8:30

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12y ago
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13y ago

because Japanese bombed Pearl Harbor on December 7th 1941.

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Q: Why did the US go into World War 2?
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Related questions

Who did the US go to war with in World War 2?

Germany


Why did the US go to war with Germany in World War 2?

They were an ally of Japan


Why did US not go into depression after world war 2?

I think we didn't go into a depression because we loaned weapons to the Allies during the beginning of world war 2. The money we received after the war kept us out of a depression.


When did US go into World War 2?

December 7, 1942


When did the US go in world war 2?

The U.S. officially declared war on December 8th 1942.


What was first conflict that preceded World War 2?

For the US it was the attack upon Pearl Harbor that ushered in the US to go to war .


How long did World War 2 go on after the us entered?

World War 2 began September of 1939 and ended August of 1945. The US declared war on Japan on December 8th 1941. So the US was in the war nearly 4 years.


Was true of the us economy after world war 2?

After World War 2, the US had the strongest economy in the world.


Why would you want to go to the World War 2 memorial?

People go to the World War II memorial to remember US military who fought in that war. Some go to because it is part of our history.


What was the event that made the US go to world war 2?

bombing of pearl harbour.


Why did the USA go to World War 2 with Germany?

Shortly after Japan attacked the US at Pearl Harbor, Germany declared war on the US.


What happened in World War 2 that allowed the US to go offensive in the Pacific?

The Japanese attacked Pearl harbor and that allowed US to join World war two and get revenge