Answer:
d. his negotiations were always backed by the threat of military force.
Step-by-step explanation:
What was the Big Stick Policy? It is the name often referred to as US foreign policy under Theodore Roosevelt (1901-1909). Roosevelt acted to maintain a friendly and cordial air in the negotiations, while at the same time making clear the possibility of using force to overwhelm his opponents and achieve his intent. The president would also create the Roosevelt Corollary, in which he supported the Monroe Doctrine (marked by the phrase “America for Americans”) and sought to extend it from a viewpoint that favored the United States. To this end, it has transformed the Americas into an exclusively American sphere of influence, especially the Central American area.