Question

what circumstances led to the entry of usa in second world war?
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Answer 1

Answer:

Pearl Harbor, Hawaii

Three days later Germany and Italy declared war against the United States; and Congress, voting unanimously, reciprocated. As a result of the attack on Pearl Harbor, the previously divided nation entered into the global struggle with virtual unanimity.

Explanation:

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Answer 2

The most immediate reason for the US's actual entry into WWII was the Japanese attack on the US naval base at Pearl Harbor in what was then the Territory of Hawaii. The Japanese attack led to the US declaring war on Japan. From there, Germany declared war on the US and the US was fully involved.

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