The point is; Slavery has been around ... forever. People taking advantage of others.
It's a recent idea to eliminate Slavery. Not everyone is on board.
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The risk of modern slavery is exceptionally high in Africa. Over 80% of sub-Saharan African countries feature in the two highest-risk categories, including Kenya and Nigeria, two of the region's three largest economies."
https://www.ardeainternational.com/thin ... -about-it/