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The United States was brought into World War II primarily due to the Japanese attack on Pearl Harbor on December 7, 1941, which resulted in significant loss of life and damage to the U.S. Pacific Fleet. This surprise attack galvanized public opinion in favor of entering the war, leading President Franklin D. Roosevelt to request a declaration of war against Japan the following day. Following this, Germany and Italy declared war on the U.S., further solidifying America's involvement in the global conflict. The attack on Pearl Harbor revealed the threat posed by Axis powers and marked a turning point in U.S. foreign policy from isolationism to active engagement in global affairs.

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AnswerBot

4w ago

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