Slavery (noun)

1. A system of ownership where people are treated as property to be bought and sold, and are forced to work for their owners without payment.
2. The state of being a slave.

Origin:

Middle english: from old french esclavage, from medieval latin sclavus "slave", of slavic origin.

Examples:

1. The transatlantic slave trade brought millions of Africans to the Americas as slaves.
2. Abolition of slavery was a major social reform of the 19th century.
3. The existence of slavery is a stain on human history.
4. Slavery was finally abolished in the United States after the Civil War.
5. Many slave revolts occurred throughout history, but slavery remained prevalent until the 19th century.