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How did the United States go from a policy of isolationism to active involvement in World War II

User DNRN
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2 Answers

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They switched from isolationism to being involved because they were attacked by the Japanese in 1941.

User Adrianvlupu
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Answer:

The bombing of pearl harbor

Step-by-step explanation:

The USA sanctioned Japan before the bombing due to Japans invasions of other countries such as China

User Badroit
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