Progressive Era & Imperialism

The Progressive Era and the Age of Imperialism represent two major turning points in U.S. history, shaping the nation’s political identity, economic power, and global influence. This period saw widespread social and political reform as Americans confronted challenges brought on by industrialization, urbanization, and corruption. Reformers pushed for safer working conditions, women’s suffrage, trust-busting, expanded democracy, and government accountability.

At the same time, the United States expanded beyond its borders, asserting itself as an emerging world power. The Spanish-American War, the annexation of territories, debates over imperialism, and the construction of the Panama Canal demonstrated America’s growing involvement in international affairs. These developments continue to influence foreign policy and national identity today.

The resources on this page support lessons on reform movements, major legislation, key figures, imperial expansion, and primary source analysis. Teachers can use these materials for lectures, DBQs, stations, student projects, and skill-building activities aligned to U.S. History standards.