Which event most influenced president woodrow
wilson’s decision to enter world war i?
(1) defeat of russia by germany
(2) assassination of archduke franz ferdinand
(3) raids by mexico on the southwestern united
states
(4) renewal of unrestricted submarine warfare by
germany

4 the renewal of unrestricted submarine warfare by germany

Explanation:

this was the closest of the answers given above but here is a better one to give in class and here it is, Zimmermann Telegram, also called Zimmermann Note, coded telegram sent January 16, 1917, by German foreign secretary Arthur Zimmermann to the German minister in Mexico trying to get mexico to turn to go to battle with the us and in return they would be given parts of the us as payment

i am pretty sure the awsers is d.