When you're talking about original slaves, we're not takng about second generation. You're talking about people who are captured in africa. And with that comes all kinds of things. Take for example, physical fitness. These are people that have taken care of their bodies. They've trained, they've worked out. In a terrible, nasty, ironic twist, this makes them a better laborer also. Go back to the page you came from and read what is slavery.
The Atlantic Slave Trade mixes centuries of human bondage with violence, economics, commerce, geo-political competition, liberty, morality, injustice, revolution, tragedy and bloody reckonings. That sounds like a lot, yet this show merely scratches the surface of this enormous subject.