Darwin, on breeding for beauty, describes an African tribe whose members were strikingly attractive, the Jollof tribe.
Asking how it came to be that the Jollofs got that way, a tribe member replied that for generations, they had sold their ugly women to the slavers.
https://en.m.wikisource.org/wiki/The_Descent_of_Man_(Darwin)/Chapter_XX
Jimmy Soul sang this song. I did NOT follow it but I am happy anyway.
https://www.youtube.com/watch?v=E-Ky1kN8D6A