What did the federal government do in an effort to resolve conflicts with the frontier settlers and Indians in the 1870s?

In an effort to resolve conflicts with the frontier settlers in the 1870s, the federal government forced Native American Indians to ? live on reservation with definite boundaries. ... circumstances that pushed immigrants from their native countries to the United States.

Explanation:

https://quizlet.com/319589679/us-history-test-flash-cards/#:~:text=this%20set%20(40)-,In%20an%20effort%20to%20resolve%20conflicts%20with%20the%20frontier%20settlers,on%20reservation%20with%20definite%20boundaries.&text=circumstances%20that%20pushed%20immigrants%20from%20their%20native%20countries%20to%20the%20United%20States.

the second significant cause of the great migration was the desire of black southerners to escape segregation, known euphemistically as jim crow. rural african american southerners believed that segregation - and racism and prejudice against blacks - was significantly less intense in the north.

in the declaration of independence, thomas jefferson announced that every human being has “certain unalienable rights,” among which are those to “life, liberty, and the pursuit of " hope i