Why did the aztecs settle in the valley of mexico? a. they wanted to take over abandoned mayan cities. b. the area was located near a major river system. c. the valley had a warmer climate than the mayan lowlands. d. surrounding volcanoes created fertile soil in the valley.

"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.