Why do people migrate? compare those who migrated during the period from 1750 to 1914 with those who migrate today. how are their reasons similar? how are their reasons different?

Who did the first work in creating vaccines

Did north or south korea forces advance further into the other’s territory?

"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.