What was the significance of the battle of wounded knee for the us?

The battle of wounded knee was  the last major battle between the Native Americans and the United States
In the battle, the American Troops massacred a lot of members of the Indian tribes which estimated to result in around 300 death.
This eventually lead to the National Congress of American Indian passed two resolutions condemning millitary awards for militaries who contribute to the killing of the natives.

In the midwest because it has more moderate climate than the north or south west which makes farming far easier.