What was the significance of barack obama's victory in the 2008 presidential election?

What were some effects in world war 1 in europe ? ( and only in europe)

"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.

During industrialization which led to an exploration of new economic theories