USA HISTORY

Detailed explanation-1: -Andrew Jackson. A region conceived as “the Indian country” was specified in 1825 as all the land lying west of the Mississippi. Eventually, the Indian country or the Indian Territory would encompass the present states of Oklahoma, Kansas, Nebraska, and part of Iowa.

Detailed explanation-2: -In 1830, Congress passed the Indian Removal Act, which authorized the U.S. to set aside lands west of the Mississippi River for tribes. Another act, passed in 1834, created what became known as Indian Territory; it included modern-day Oklahoma.

Detailed explanation-3: -Under the Indian Removal Act of 1830, the Cherokee, Chickasaw, Choctaw, Creek and Seminole nations – known as the Five Tribes – were forced from their ancestral homelands in the southeast and relocated to “Indian Territory, ” as Oklahoma was then designated.

Detailed explanation-4: -Working on behalf of white settlers who wanted to grow cotton on the Indians’ land, the federal government forced them to leave their homelands and walk hundreds of miles to a specially designated “Indian Territory” across the Mississippi River.