In What Way Was President Taft's Foreign Policy Strategy of Business

In what way was President Taft's foreign policy strategy of business investment in the Western Hemisphere unsuccessful?

A) Taft still had to send in the navy and Marines to intervene in the political affairs of several Latin American nations.
B) Dollar diplomacy failed to fund railroads, mining, and agricultural projects in Central America.
C) Taft was unable to prevent the military coup that overthrew Mexican president Vicente Carranza.
D) The United Fruit Company went bankrupt after losing its extensive land holdings in Central America and the Caribbean.