The effect of the Tigris and Euphrates rivers on Sumeria are most closely seen in that civilization's: A. angry and demanding gods.
B. stability over long periods of time.
C. All of the choices are correct.
D. invention of gunpowder

"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.