I am sort of confuse becouse this is phrased as one question (at first i thought you where talking about the recent fight about not putting in a pipeline but i relized you said why DID)
So i will split it into 2 Native americans fought for land becouse for one they needed a place to live and second they belived the great spirit wanted them to live where they did
They fought for water to live/drink
Answer:
https://www.presidency.ucsb.edu/documents/the-meaning-communism-americans-study-paper-richard-m-nixon-vice-president-united-states
Explanation:
well I think you might find the answer here
I hope this helps
Settlers were constantly taking more land than either they agreed for, or just what didnt belong to them, the Indians would fight back and lose in the end, they would shrink back and find more land, there would be peace for a little while, and then settlers would keep wanting more land
Answer:
The United States should not care about
Explanation: