How did the Civil War affect the Native Americans?

The Civil
War caused a lot of rightful bitterness on the part of the Native Americans toward the US
government for a variety of reasons. Because of the land grabbing acts of the federal
government, the Native Americans had been growing increasingly displeased with the nation, and
therefore many found themselves fighting alongside Confederate soldiers in an attempt to weaken
the federal government. When the South lost, these Native Americans were further
downtrodden.

Additionally, because of the resources used during the Civil
War, the government forestalled many payments...