Answer:
Base on the question, I would say that US wanted to group the Native American in communities so that the rest of the US could freely expands West ward, life was anti - Native American. I hope that you are satisfied with my answer and feel free to ask for more if you have further clarification
Explanation:
one reason is because they were a lost civilization for many years and a second reason they have mountains around them so it was very to get there.
Answer:
You didn't include the answers...