Move west of the Mississippi River. Because they did not assimilate and they didn't want anything to do with those people so I think the most reasonable answer is D.
The federal government removed American Indians in early 1800s that did not immigrate to shift west of Mississippi River
Indian removal was indeed a forced relocation in 18th century that forced American Indians to quit their ancestral lands throughout the eastern United States to the west of Mississippi River, primarily to a specified Indian Territory.
2) were influenced by the peasants' desire for more land
Explanation:
All three revolutions were successful due to the enormous support of the peasant class. Peasants in each nation supported the revolution in hopes of gaining land for farming and habitation.