What changes igneous or sedimentary roxks into metamorphic rock

1• political and economic system greatly influenced by the ideas karl marx • factors of production owned by the government • production and distribution of goods controlled by central planners what form of government is described above? a. monarchy b. direct democracy c. communism d. oligarchy

What was the historic border between the united states and mexico?

"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.