How did the United States' involvement in foreign wars at the turn of the 20th
century change its role in world affairs?
A. U.S. diplomatic efforts failed and compromised key economic and
political alliances.
B. The United States experienced key successes at little cost, which
encouraged its imperialist ambitions in several regions.
C. The expansion of U.S. economic investments compromised the
country's military and political power.
D. The United States' demonstration of its military and economic
resources expanded its influence.