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authorizing the president to grant lands west of the Mississippi in exchange for Indian lands within existing state borders -
The Trail of Tears was the forced displacement of approximately 60,000 people of the "Five Civilized Tribes" between 1830 and 1850 -
creating the reservation system. -
The Sand Creek massacre was a massacre of Cheyenne and Arapaho people by the U.S. Army in the American Indian Wars -
attack on indian camp cheyenne -
Plains Indians as the Battle of the Greasy Grass, and commonly referred to as Custer's Last Stand, was an armed engagement -
regulated land rights on tribal territories within the United States. -
the end of the collective multi-century series of conflicts between colonial and U.S. forces and American Indians -
Sitting bull, a respected Indian chief was murdered -
declared Indigenous persons born within the United States are US citizens.