The Fort Laramie Treaty in 1851 promised to protect land.
Angry after the Gold Rush discovered in 1858 in Montana, a trail called the BOZEMAN TRAIL was used by white settlers and took them through Sioux land.
2,000 people had done this by 1865
plains indians wanted the government for land PROTECTION and buffalo. An agreement with the US government to stop the use of the Bozeman Trail being used.