What Was Ironic About Wilson's Successful Campaign Slogan, "He Kept

What was ironic about Wilson's successful campaign slogan, "He Kept Us Out of War"?

A) Republicans, such as Theodore Roosevelt, were more isolationist than most Democrats.
B) Wilson disliked the slogan's sentiment, but exploited its political popularity.
C) The slogan was originally created by Theodore Roosevelt for use by Wilson's opponent.
D) Americans did not realize troops had already been secretly sent to the Western Front.