Why did the united states get pulled into world war i? a. mexico attacked the united states. b. the united states was shown a letter from germany encouraging mexico to invade america. c. germany owed the united states money for war supplies.

"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.