Virginia's economy depended heavily on tobacco production, which flourished in the lands and when exported to Europe enriched Virginia's budget a lot.
Slave status was traditionally assigned to people living in tribes who were very poor, they did not posses lands,. The most ancient civilizations had some form of slavery present in early days. It seemed that slavery was necessary to construct the New world because they helped sustain the coffee, tobacoo, sugar and most of the economy.
The human species first appeared in Africa... The first settlements, however, were in the middle east