Check out the "out of Africa" theory. Basically it said people migrated from Africa to Europe and from the Russia area to the Americas via the Bering strait.<span />
B: Plessy v. Ferguson because at that time they belived in seperate but equal..which was not the case it was really unfair. So brought to the matter they sorted it out in the supreme court.
President Thomas Jefferson had many reasons for wanting to acquire the Louisiana Territory. The reasons included future protection, expansion, prosperity and the mystery of unknown lands.
