How did the development of the factory system contribute to the Industrial Revolution? A
by improving the efficiency and reducing the costs of production
B
by facilitating the transportation of goods between communities
С
by improving access to valuable mineral resources
D
by providing a reliable source of mechanical power

"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.