U.S. Entered World War I

April 6, 1917

On April 6, 1917, the U.S. joined its allies--Britain, France, and Russia--to fight in World War I. Under the command of Major General John J. Pershing, more than 2 million U.S. soldiers fought on battlefields in France. Many Americans were not in favor of the U.S. entering the war and wanted to remain neutral. However, the U.S. eventually did enter the war. Do you know how the war began and why the U.S. became a part of it?

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