Answer:
(first question) the Choctaw, Chickasaw, Creek, Cherokee, and Seminole tribes
(second question) they were being forced to move west of the Mississippi
Step-by-step explanation:
(first question) these five tribes were called the "Five Civilized Tribes" and were the only specific tribes being targeted to relocate.
(second question) they were being made to relocate far west of the Mississippi to unsettled lands in exchange for non Native American people to take over their land for themselves.
i hope this helps :)