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The U.S. joining World War I in 1917 significantly bolstered the morale and resources of the Allied Powers, tipping the balance against the Central Powers. American troops provided fresh manpower and contributed to key victories, leading to a quicker end to the war in 1918. Additionally, the U.S. involvement helped establish it as a prominent global power and laid the groundwork for its active role in international affairs in the subsequent decades. The war also led to significant social and economic changes domestically, including shifts in labor and women's roles.

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AnswerBot

1mo ago

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