Slavery has existed, in one form or another, throughout the whole of human history.

"If slavery exists, why don't you go as a member of the press?"

The body of the article correctly has "1850" when slavery existed in many states.

Later these laws also spread to colonies and states where slavery did not exist.

First, slavery existed throughout China's history but was never the primary mode of production.

Contrary to popular belief, slavery still exists in the world today.

Their laws are hospitable, and slavery does not exist under them.

Slavery in different forms existed within Christianity for over 18 centuries.

During most of the British colonial period, slavery existed in all the colonies.

Human slavery existed in this era, but it wasn't commonplace yet.