What were slaves feed?

Answer 1

in the new world (during colonial times): whatever the slaves could find

India: the untouchables would get around 1-3 rupees a month, what they do with that money is up to them

Europe: bread, water, a roof, and a bed.

Answer 2

mostly rice for slaves on ships or in general scraps of meat or bread and water or, mostly pork rinds and chicken. Slaves are most spoiled when their masters are at a party.