Do you think the continents are still moving?

Capitalism competed with dominance in the twentieth century communism merchantilism free enterprise feudalism

"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.

What was the most explosive issue facing the united states prior to the start of the civil war?