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 region. During this meeting, James Morrow Walsh, commander of the North-West Mounted Police, explained to Sitting Bull that the Lakota were now on British soil and must obey British law. Walsh emphasized that he enforced the law equally and that every person in the territory had a right to justice. Walsh became an advocate for Sitting Bull and the two became good friends for the remainder of their lives. While in Canada, Sitting Bull also met with Crowfoot, who was a leader of the Blackfeet, long-time powerful enemies of the Lakota and Cheyenne. Sitting Bull wished to make peace