What Was The First Culture To Have Slaves?

What Was The First Culture To Have Slaves? Slavery operated in the first civilizations (such as Sumer in Mesopotamia, which dates back as far as 3500 BC). What cultures still have slavery? India (18.4 million) China (3.4 million) Pakistan (2.1 million) Bangladesh (1.5 million) Uzbekistan (1.2 million) North Korea (1.1 million) Who was the first