This document summarizes key events, people, policies, and cultural aspects of groups that lived in the American West between 1848 and 1890. It describes the westward expansion fueled by the Gold Rush, conflicts between native Americans and white settlers/government over land and resources, the building of the transcontinental railroad, the cowboy culture that developed after the Civil War, the movement of farmers onto the Great Plains following the Homestead Act, and the decline of native populations and way of life.