Question

What was the chief result of U.S. participation in World War I?
a The French were inspired by U.S. entry to defeat Germany.
b The Germans launched a major attack on Britain.
c U.S. forces ended the stalemate and led to an Allied victory.
d Italy switched sides and joined the Allies.

Answer 1

Here is the answer to the given question above. The answer would be option C. The chief result of U.S. participation in World War I is that, the U.S. forces ended the stalemate and led to an Allied victory. After the US joined WWI, the allies had the forces they need to triumph. Hope this is the answer that you are looking for. 

Answer 2

The correct answer is C) U.S. forces ended the stalemate and led to an Allied victory."

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

US President Woodrow Wilson had decided to maintain the foreign policy of neutrality in World War 1, buy the sinking of the Lusitani ship and the interception of the Zimmerman telegram in which Germany asked Mexi for help in WW1, made President Wilson ask Congress for a declaration of war against Germany. The US entered World War 1 on April 6, 1917.