What the United States government would do to tribal lands was to sell it to people that were non natives.
The native Indians did not view lands as commodity. They did not see their lands as items that they could sell.
Instead the belief that they had was that land was communal and could be used for any purpose that a person wanted.
The selling of lands by the US was unfair because it has gone contrary to the beliefs of the rightful owners.
Apart from this the royalties from the sales belonged to the government instead of the natives.
Read more on native Indian lands here:
https://brainly.com/question/954135