Which concept is primarily associated with the expansion of U.S. economic interests abroad during Taft's presidency?

The correct choice, Dollar Diplomacy, is closely associated with the expansion of U.S. economic interests abroad during William Howard Taft's presidency. This term refers to the diplomatic strategy that aimed to promote U.S. financial interests and stability in other countries, particularly in Latin America and East Asia. Under Dollar Diplomacy, the Taft administration encouraged American businesses to invest in foreign markets, and in turn, the U.S. government would support these investments with diplomatic and, when necessary, military intervention to protect American interests.

Taft believed that by fostering economic ties abroad, the United States could ensure its own economic security and prevent conflicts, which was a major shift from more direct imperialistic approaches. This method included the use of loans and financial aid to influence other nations' policies, which exemplified how U.S. economic interests were prioritized in foreign relations.

In contrast, the other concepts do not encapsulate Taft's economic focus in the same manner. Moral Diplomacy, for example, emphasized promoting democracy and moral standards rather than specifically economic interests. Imperialism denotes the broader strategy of extending a nation's authority, which can include various forms of control, not solely economic. Isolationism represents a policy of avoiding entanglements with foreign powers, clearly