Sitting Bull Hills for gold and to determine a suitable location for a military fort in the Hills. Custer's announcement of gold in the Black Hills triggered the Black Hills Gold Rush. Tensions increased between the Lakota and whites seeking to move into the Black Hills. Although Sitting Bull did not attack Custer's expedition in 1874, the US government was increasingly pressured by citizens to open the Black Hills to mining and settlement. Failing in an attempt to negotiate a purchase or lease of the Hills, the government in Washington had to find a way around the promise to protect the Sioux
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