Question

What caused the United States to enter WWI?

A. Mexico attacked the US

B. President Wilson wanted to help Serbia

C. Unrestricted Submarine Warfare

D. Britain paid us a good sum of money to join

Answer 1

A. Mexico attacked the

Step-by-step explanation:

U.S. Entry into World War I, 1917. ... Wilson cited Germany's violation of its pledge to suspend unrestricted submarine warfare in the North Atlantic and the Mediterranean, as well as its attempts to entice Mexico into an alliance against the United States, as his reasons for declaring war.