- slave: a person that is owned by another person
 - labor: work
 - captured: to take
 - debt: when you owe someone money
 - overwork: working too much
 - century: 100 years
 - slave trading center: a place where slaves were bought and sold
 - rights: things you are allowed to do
 - cruel: very mean and unfair
 - whip: to hit with a long stick
 - expand: to get bigger and stretch out
 - rebel: to go against your leader or government
 - abolish: to stop or cancel
 - successful: achieving your goal or mission