How was America assisting its allies during WWI?

Although World War I began in 1914, the United States did not join the war until 1917. ... The additional firepower, resources, and soldiers of the U.S. helped to tip the balance of the war in favor of the Allies. Remaining Neutral. When war broke out in 1914, the United States had a policy of neutrality.

Explanation:

answer; together, washington and rochambeau marched their combined force south to virginia in 1781 and trapped british gen, charles cornwallis and 8,000 british troops at yorktown, forcing their