"He kept us out of war!" proved to be a successful slogan for Wilson in 1916, in large part due to which of the following?
A. Theodore Roosevelt had led the nation into war with Spain years earlier
B. the strong desire for alliances that would keep us out of war
C. the desire of many citizens to only enter the war once it appeared that Germany was beaten
D. the fact that isolationism was a common sentiment in the US at the time