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
Sitting Bull the Cheyenne during the Plains Wars because they thought the other nation was under attack by the US. Given this connection, she suggests the major war should have been called "The Great Cheyenne War". Since 1860, the Northern Cheyenne had led several battles among the Plains Indians. Before 1876, the U.S. Army had destroyed seven Cheyenne camps, more than those of any other nation. Other historians, such as Robert M. Utley and Jerome Greene, also use Lakota oral testimony, but they have concluded that the Lakota coalition, of which Sitting Bull was the ostensible head, was the primary target of