The US participation in World War I changed the nation's culture and international policies significantly.
The United States' entry into World War I had significant impacts on the culture and international political policies of the country. Militarily, the U.S. intervention helped tip the balance in favor of the Allies, ultimately leading to the end of the war. Economically, the war boosted the nation's industrial capacity and global influence, setting the stage for America's rise as a superpower.
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