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I think you'll find the US joined the Allies: As a result of Pearl Harbor, Dec7th 1941

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∙ 15y ago
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∙ 13y ago

The U.S.A joined the Allies during WWII sometime in 1941. They joined them because Japan bombed Pearl Harbor.

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∙ 14y ago

After the Japanese attacked the US Navy in Hawii at Pearl Harbour

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∙ 10y ago

The USA joined the Allies of World War 2 on December 8 1941, a day after the Japanese bombed Pearl Harbour.

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∙ 12y ago

sinking of the Lusitania ship led the U.S to join the allies. on that ship there were over 100 people who had died. The U.S got really mad. so they joined it.

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∙ 15y ago

6th April 1917.

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Q: When did the USA join the Allies of World War II?
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Continue Learning about General History

Who was the fourth country to join the allies in world war 2?

france


Were The Philippines and Japan allies in world war 2?

No, the Philippines were allies of USA


America did not join the Allies during the first of World War 2?

2 years


Did Berlin join the Allies side in World War 2?

I'm in Y5 but I do yr 7 work so: yes, berlin did join the Allies in WW2 in 1941


Did USA fight Russia in a world war?

No, they were allies in WWII.

Related questions

What side did the US join on the world war 2?

The Allies


Why did britan join world war 2?

They wre allies of the affected


Who was the fourth country to join the allies in world war 2?

france


When did the United states join the allies in World War 1?

1914


How did the alliance system turn a dispute between two countries into world war?

Leaders knew that if they declared war, their allies had to join the fight with them.


What cause the US to join the allies in World War 1?

yo face


Did Australia join Allies during World War 1?

Yes i think they did


Were The Philippines and Japan allies in world war 2?

No, the Philippines were allies of USA


Who join world war 2 with Britain?

France joined on the Allies side with Britain.


America did not join the Allies during the first of World War 2?

2 years


Did Berlin join the Allies side in World War 2?

I'm in Y5 but I do yr 7 work so: yes, berlin did join the Allies in WW2 in 1941


What threat encouraged the us to join the allies in World War I?

I honestly dont know. We will do further research into the topic. ;)