Btw, incarceration has been historically used as slave labour for a long time. Blacks would get rounded up on the crime of "vagrancy" and would be sentenced to

Btw, incarceration has been historically used as slave labour for a long time. Blacks would get rounded up on the crime of "vagrancy" and would be sentenced to labour. https://en.wikipedia.org/wiki/Black_Codes_%28United_States%29 https://en.wikipedia.org/wiki/Black_Codes_%28United_States%2... This was a widespread practice until the 1960s.