(A) Taft
(B) ** Roosevelt
(C) Wilson
EXPLANATIONS BELOW
Concept note-1: -Roosevelt’s “big stick diplomacy” signified that the U.S. would negotiate peacefully but maintain strength to exert when needed.
Concept note-2: -What did big stick diplomacy rely on? US made a show of force to the rest of the world, other nations might be more hesitant to challenge the American military. As a corollary to this, he also understood that the threat of force rather than force itself was often sufficient to deter military conflict.