The answer is Fort Laramie. The Fort Laramie treaty in the year 1851 was a treaty between the United States commissioners and the representatives of the Sioux, Cheyenne, Crow, Arapaho, Mandan, Assiniboine, Arikara, and Hidatsa Nations. It was set for the traditional claims of the tribes.
The treaty of Fort Laramie was an agreement made in 1851 between Native American tribes and the U.S. government over the issues of settlement and protection.
