Where were the Indians in 1804?

In 1804, various Native American tribes were primarily located in the region that would later become the United States, with many inhabiting areas in the Northeast, Midwest, and the Great Plains. The Louisiana Purchase, which took place that same year, significantly changed the landscape as it opened up vast territories for exploration and settlement by American settlers. This period marked increasing pressure on Native Americans from westward expansion, leading to displacement and conflict as settlers encroached on their lands. Tribes such as the Sioux, Cheyenne, and others were navigating the challenges posed by these changes while striving to maintain their cultures and territories.