Ill give you brainleist How did Genghis Khan use technology to expand the Mongol Empire?

He used new rifles that could be fired from horseback.

He used advanced ships to attack coastal cities from the sea.

He used catapults, battering rams, and explosives in siege warfare.

He used steel to create new armor, guns, and swords for his soldiers.

"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.