What made immigration different in the time between 1860 and 1920 than in previous years?

What was eleanor roosevelt's most significant achievement?

Which of these is true of that temperance movement at the beginning of the 1800’s in america?

"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.