Answer:
3500 BC
Explanation:
Slavery operated in the first civilizations (such as Sumer in Mesopotamia, which dates back as far as 3500 BC). Slavery features in the Mesopotamian Code of Hammurabi (c. 1860 BCE), which refers to it as an established institution. Slavery was widespread in the ancient world.
Answer:
1776
Explanation:
slavery in united state legal institution of human slavery
