Sitting Bull as hostiles those Sioux and others living off the reservation, Native Americans gathered at Sitting Bull's camp. He took an active role in encouraging this "unity camp". He sent scouts to the reservations to recruit warriors, and told the Hunkpapa to share supplies with those Native Americans who joined them. An example of his generosity was Sitting Bull's taking care of Wooden Leg's Northern Cheyenne tribe. They had been impoverished by Captain Reynold's March 17, 1876 attack and fled to Sitting Bull's camp for safety. Over the course of the first half of 1876, Sitting Bull's camp continually expanded, as
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