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
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