On May 20, 1862, President Abraham Lincoln signed the Homestead Act into law, providing 160 acres of public land to any adult U.S. citizen who agreed to live on and improve it for five years. The act, which took effect on January 1, 1863, was a significant legislative action that promoted the settlement and development of the American West. By 1900, settlers had filed 600,000 claims for more than 80 million acres of land under the act. The Homestead Act encouraged mass migration westward, shaping the demographic and economic landscape of the Great Plains.

The Homestead Act is a central theme in the literature of the American West, embodying the promise and peril of the frontier. It is the backdrop for many works exploring themes of perseverance, isolation, and the transformation of the landscape, including Willa Cather's 'O Pioneers!' and Laura Ingalls Wilder's 'Little House' series. The act's ideal of free land for the willing worker became a powerful symbol in American poetry and prose, often contrasted with the harsh realities of pioneer life.