What allowed homo sapiens to become more successful hunters then the early humans that came before

"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.

He table below shows the number of immigrants to the united states from different regions of europe between 1871 and 1910

Classify the most significant contributions of the two major indian empires to world culture