Item 4 How did the entry of the United States affect â World War I â ? It led to more than a million United States troops aiding the Allied cause by 1918. It led to an immediate proposal of talks negotiating an armistice and formal end to the war by Germany. It allowed United States supplies to be received by the Allies for the first time. It canceled loans Germany had acquired from the United States to finance their war effort

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The American entry into World War I affected it because It led to more than a million United States troops aiding the Allied cause by 1918.

What was the effect of the Americans joining WWI?

When the United States finally joined the war in 1917, thousands of soldiers were sent to Europe.

This number gradually increased until more than a million American soldiers were fighting in Europe in 1918 which led to the Central Powers collapsing.

Find out more on the U.S. entry into WWI at https://brainly.com/question/376104.