Which best describes a purpose of the monroe doctrine? a. to expand the territory of the united states into spanish florida b. to convince president james monroe to go to war with france over louisiana c. to warn european nations not to form new colonies in the americas d. to express the belief that the united states was superior to all other nations

"the plan of removing the aboriginal people who yet remain within the settled portions of the united states . . approaches its consummation. . an extensive region . . has been assigned for their permanent residence. it has been divided into districts and allotted among them. many have already removed and others are preparing to go. . " removal of southern indians to indian territory, 1835 this passage is most closely related to a) imperialism. b) the civil war. c) westward expansion. d) the french indian war.