What was the chief result of U. S. participation in World War I? U. S. forces ended the stalemate and led to an Allied victory.

The Germans launched a major attack on Britain.

Italy switched sides and joined the Allies.

The French were inspired by U. S. entry to defeat Germany.

Correct answer is U.S. forces ended the stalemate and led to an Allied victory.

Explanation:

First option is correct because in 1917 when United States entered the war both sides suffered many casualties but no one was sure who will win the war. United States changed the tide of war.

Second option is not correct as Germany never started this type of attack on Britain during WW1.

Third option is not correct as Italy signed Treaty of London in 1915.

Last option is not correct as Germany was defeated after the attack of Allied forces in 1918 from the south.

d

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