What did the united states contribute to the allies which them win world war i?

a.) the u. s. provided troops and supplies.
b.) the u. s. independently fought against the central powers which weaken them for the allied powers.
c.) the u. s. stimulate europe's economy.
d.) the u. s. didn't contribute anything; they wanted to stay out of the war.

The U.S provided troops and supplies ( A )

Explanation:

The world war 1 was between the central forces and the allied forces. these allied forces included Britain,France,Italy,Russia and the United states of America. and the central forces included Germany,Bulgaria, Austria-Hungary and the Ottoman Empire.

The united states contributed to the World war 1 by provided troops and supplies that helped the Allies win the war as well as every other allied forces provided troops to the cause of the war and also provided supplies to help the allied forces fight and win the war successfully. the world war 1 was fought  from 1914 to 1918

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