Sitting Bull the federal government's pacification campaign. During the period 1868–1876, Sitting Bull developed into the most important of Native American political leaders. After the Treaty of Fort Laramie (1868) and the creation of the Great Sioux Reservation, many traditional Sioux warriors, such as Red Cloud of the Oglala and Spotted Tail of the Brulé, moved to reside permanently on the reservations. They were largely dependent for subsistence on the US Indian agencies. Many other chiefs, including members of Sitting Bull's Hunkpapa band such as Gall, at times lived temporarily at the agencies. They needed the supplies at a time when white
Sitting Bull Later historians and ethnologists have refuted this concept of authority, as the Lakota society was highly decentralized. Lakota bands and their elders made individual decisions, including whether to wage war. Sitting Bull's band of Hunkpapa continued to attack migrating parties and forts in the late 1860s. When in 1871 the Northern Pacific Railway conducted a survey for a route across the northern plains directly through Hunkpapa lands, it encountered stiff Lakota resistance. The same railway people returned the following year accompanied by federal troops. Sitting Bull and the Hunkpapa attacked the survey party, which was forced to turn back. In