What gave the president authority to grant Eastern American Indian tribes the unsettled lands west of the Mississippi River in exchange for their ancestral lands in the East? A) Indian Removal Act B) Trail of Tears C) Treaty of the Five Civilized Tribes D) Treaty of Canandaigua

What two different approaches did the knights of labor and the american federation of labor take in building a union organization? a) the knights of labor accepted only unskilled workers; the american federation of labor accepted only skilled workers. b) the knights of labor accepted skilled and unskilled workers; the american federation of labor accepted only skilled workers.c) the knights of labor refused to accept african american or chinese workers; the american federation of labor accepted all workers.d) the knights of labor accepted workers from a single industry; the american federation of labor accepted workers from several industries.