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.

The correct answer is B) The Five Tribes had to cede portions of their land to the Union to make room for railroads.

One of the major effects of the end of the Civil War in the Indian Territory was that the Five Tribes had to cede portions of their land to the Union to make room for railroads.

The Choctaw, the Chickasaw, the Creek, the Cherokee, and the Seminole were known as the Five Indian Tribes. White European settlers in America gave this name to the tribes when there were good relations between them. But with the Removal Act, the tribes were removed from their lands and were taken to Indian Reservations. In May 1830, President Andrew Jackson signed the Act into law.  

d. migration