Final answer:
The U.S. military effort in France during World War I played a significant role in the Allied victory.
Step-by-step explanation:
The U.S. military effort in France during World War I had significant impact. It helped turn back several German offensives and played a key role in the eventual Allied victory. The American Expeditionary Forces, commanded by General John J. Pershing, brought fresh troops and resources to the Western Front, contributing to the final outcome of the war.
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