[ghufran_syed]

Slavery has occurred in almost every society over the years, until the last two or three hundred years, including in Nigeria

https://en.m.wikipedia.org/wiki/Slavery_in_Nigeria

See "Black rednecks and white liberals" by thomas sowell for more info (Thomas sowell is a black american economics professor and writer, for any in the audience who decide what is worth reading based on the skin color or ethnicity of the author)

[andi999]

No worries, people who decide who is worth reading based on skin color also introduced the oreo concept so their world view doesnt have to be challenged.

Pesonally I belive anybody should read Sowell