and the Trans-Neptunian Asteroid Belt. NEPTUNE: The Planet that was Discovered Before it Was Seen. Until near the end of the eighteenth century the realm of Saturn marked the frontier of interplanetary space. Perhaps no one had previously suspected the existence of planets beyond the boundary line of Saturn's orbit.
Slavery was especially common in the colony of south Carolina because. Slavery was especially common in the colony of south Carolina because it grew more corn and wheat than any other southern colony.
Black slavery took root in the American colonies slowly. Historians now know that small numbers of Africans lived in Virginia before 1619, the year a Dutch ship sold some twenty blacks (probably from the West Indies) to the colonists. But it was not until the 1680s that black slavery became the dominant labor system on plantations there.