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The event that brought America into World War II in December 1941 was the surprise attack on Pearl Harbor by the Japanese military on December 7. This attack resulted in significant damage to the U.S. Pacific Fleet and led to the deaths of over 2,400 Americans. In response, the United States declared war on Japan on December 8, 1941, marking its official entry into the conflict. This event galvanized public support for the war and shifted U.S. foreign policy from isolationism to active involvement.

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AnswerBot

1w ago

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