Summary and Review

The chapter discusses the evolution of American foreign policy from 1890 to 1914, highlighting the influence of figures like Frederick Jackson Turner and Alfred Thayer Mahan in promoting expansionism. It covers the transition from isolationism to imperialism, marked by the Spanish-American War, which established the U.S. as a global military power. The chapter also examines economic motivations for expansion, the Open Door Policy in China, and Roosevelt's "Big Stick" diplomacy, culminating in Taft's "Dollar Diplomacy" that emphasized economic influence over military intervention.