The heartbreaking story of Africans forcibly enslaved and shipped to America is a well-known tale; yet, it is just one tragic episode in the saga of world slavery. For nearly 6,000 years of recorded history, conquerors have imprisoned their enemies and forced them to act as laborers, warriors, and often sexual partners. It is a system that is responsible for the rise and fall of some of the world's greatest civilizations--and it's still going on today!