Sitting Bull in their land, as specified in the 1868 Treaty of Fort Laramie. It was alarmed at reports of Sioux depredations (encouraged by Sitting Bull). In November 1875, President Grant ordered all Sioux bands outside the Great Sioux Reservation to move onto the reservation, knowing full well that not all would comply. As of February 1, 1876, the Interior Department certified as "hostile" those bands who continued to live off the reservation. This certification allowed the military to pursue Sitting Bull and other Lakota bands as "hostiles". Based on tribal oral histories, historian Margot Liberty theorizes many Lakota bands allied with
Oklahoma Tax Commission v. Citizen Band, Potawatomi Indian Tribe of Oklahoma and as such qualifies for immunity. The court then held that the Tenth Circuit erred in holding that tribe did not have to collect sales taxes on cigarettes sold to non-members. Justice Stevens issued a concurring opinion that mainly discussed the question of immunity as applied to the facts of the case. Oklahoma Tax Commission v. Citizen Band, Potawatomi Indian Tribe of Oklahoma Okla. Tax Commission v. Citizen Band, Potawatomi Indian Tribe of Okla., 498 U.S. 505 (1991), was a case in which the Supreme Court of the United States held that the tribe was not subject to state sales