Which of the following was not a reason the u.s. entered world war i?
a. the zimmerman telegram
b. the sinking of the lusitania
c. the military ambitions of woodrow wilson
d. the sinking of five u.s. ships by german u-boats

"C. the military ambitions of Woodrow Wilson" was not a reason the U.S. entered World War I. Wilson actually famously had very little desire to enter the war due to a military thirst. Instead he wanted to join to help the European powers in trouble. 

They continued secret deals and military alliances