Without the support of federal troops, segregation in the South lasted from the time of Reconstruction until 1964 and Civil rights Act, there was racial segregation in many counties in southern states till that year.
In the early 13th century the Mongol Genghis Khan consolidate most of the nomads on the steppe.
Answer:
1) The Europeans gained new materials (Gold, Silver, Jewels, etc.)
2) Native American Slaves transferred from America to Europe
3) New Foods ( Corn, Pineapples, etc.)
4) Tobacco Seeds
Alexander was great indeed. He managed to unite the entire Greece under his rule, and not only that, but he also vastly increased the size of his empire, covering almost entirely what was then the known world. Another great part about him was that he was not merciless towards his enemies and never imposed his religion or laws to anyone, but rather allowed different cultures to remain as they were, as long as they behaved properly and paid taxes and what not.