I am not sure what your options are but i would assume that "they were placed on reservations" might be an option. also some of them left peacefully and signed a contract agreeing to leave when others did not and fought for their rights and land.
B) Ethos and credibility, because ethos means a point that has to do with a celebrity, and one that supposedly never told a lie, introducing the credibility part. Thanks, and please give brainliest