Lesson 1: The Progressive Response to Social Problems

In the booming cities of the early 1900s, immigrants often lived in dangerous, overcrowded slums called tenements. A Danish immigrant and photographer named Jacob Riis decided to show the world this hidden suffering. He used a new invention—flash photography—to take pictures in the dark, windowless rooms of New York City.

Riis published these shocking images in his book How the Other Half Lives. His work forced wealthy Americans to see the harsh reality of urban poverty. This visual evidence shamed the city into passing the first significant laws to improve Tenement conditions, proving that journalism could spark social change.

Another famous "Muckraker," Upton Sinclair, wrote a novel called The Jungle to expose the brutal working conditions of immigrants in Chicago's meatpacking plants. However, the public was more horrified by his descriptions of unsanitary practices, such as ground-up rats and poisoned bread going into the meat.

Sinclair famously said, "I aimed at the public's heart, and by accident I hit it in the stomach." Public outrage was so great that Congress passed the Pure Food and Drug Act and the Meat Inspection Act in 1906. These laws established the principle that the federal government had a duty to protect consumers from unsafe products.

In California, the government was largely controlled by the Southern Pacific Railroad. In 1910, Hiram Johnson was elected governor on a pledge to "kick the Southern Pacific out of politics." He introduced a wave of reforms designed to give power directly back to the voters.

Johnson championed three key tools of direct democracy: the Initiative (voters can propose laws), the Referendum (voters can approve or reject laws), and the Recall (voters can remove an official from office). These reforms made California a national leader in the Progressive movement and permanently changed the state's political landscape.