This document provides information about American society and politics in the Progressive Era as well as America's evolving relationship with the world at the turn of the 20th century. It discusses major reforms like Upton Sinclair's The Jungle exposing conditions in the meatpacking industry which led to new federal regulations. It also describes Jane Addams and her settlement house Hull House which helped reform living conditions for the poor. Additionally, it outlines America's growing imperialism through events like the Spanish-American War, the Philippine-American War, and the Roosevelt Corollary to the Monroe Doctrine expanding U.S. influence in Latin America.