The correct answer is: B) The government returned large areas of land to several American Indian groups.
Native Americans were viewed with prejudice by the federal government, who saw them as a tribal nation, the government used to deal with them in treaties committing the tribes to land cessions in exchange for specific lands designated to them for specific indigenous use until the Indian Appropriations act.
The Indian Appropriations act made on March, 1871 declared that the US government would stop treating Indians as an independent nation, tribe, or power and they should be treated as wards. It also declared the invalidation of the treaties they made before.