Why was the Anti-Imperialist League established?

The Anti-Imperialist League was established primarily to oppose American expansionism. This organization emerged in the late 19th century during a time of significant debate over the United States' role in foreign affairs, particularly after the Spanish-American War and the subsequent acquisition of territories such as Puerto Rico, Guam, and the Philippines. Members of the Anti-Imperialist League were concerned that imperialism contradicted the foundational American principles of democracy and self-determination. They believed that acquiring overseas territories would not only undermine these values but also lead to entanglement in foreign conflicts and the imposition of U.S. rule on other peoples without their consent. By advocating against expansionism, the League voiced a critical perspective on U.S. foreign policy during a pivotal period in American history. This stance differentiated them sharply from those who favored military intervention and the annexation of territories for economic or strategic gain.