hghilesmohamm hghilesmohamm 30-10-2018 History contestada Will give brainliest to who ever is right :) The rider attached to the Indian Appropriations Act of 1889 gave __________ the right to __________ the Unassigned Lands for settlement. A. federal troops . . . section off B. the Senate . . . delegate C. Congress . . . concede D. the president . . . open