How did slavery in Africa start?

How did slavery in Africa start? Slavery existed in Africa before Europeans arrived. However, their demand for slave labour was so great that traders and their agents searched far inland, devastating the region. Powerful African leaders fuelled the practice by exchanging enslaved people for goods such as alcohol, beads and cloth.

Slavery existed in Africa before Europeans arrived. However, their demand for slave labour was so great that traders and their agents searched far inland, devastating the region. Powerful African leaders fuelled the practice by exchanging enslaved people for goods such as alcohol, beads and cloth.