What was one of the major effects of the end of the Civil War in the Indian Territory? A. The Five Tribes were forced to assimilate to American lifestyles. B. The Five Tribes had to cede portions of their land to the Union to make room for railroads. C. The Five Tribes were forced to give up ranching in favor of small-scale farming. D. The Five Tribes had to send their leaders to Washington to be tried for treason. Please select the best answer from the choices provided A B C D