Question

20. The entry of the United States into World War I

a. did not effect the war's outcome.
b. added hundreds of thousands of troops to the Allied cause.
c. made German soldiers fight much harder than they had before.
d. infused much-needed cash into the Allied war effort.

Answer 1

I’m not 100% sure but I narrowed it down to b or d... I’m thinking it’s d though.