Question

how did the entry of the US affect the course and outcome of the world war 1?

Answer 1

They realized that they couldn't win the war because of the huge amount of extra man power that the US gave to the allies cause.

Answer 2

thanks you :)

Answer 3

It provided the Allies with numerical and economic superiority that would have eventually broke the stalemate of trench warfare. Germany surrendered to avoid being invaded as a result.

Answer 4

It was 1917 and the war would end in 1918. After fighting 3 years before the U.S., most countries lost many men and lost a lot of money. Simply, Everyone was tired, and the U.S. came in refreshed and ready to fight. The U.S. brought better weapons and better trained men.