You famously the key point of slavery (at least the sort that existed in what would become The Confederacy) is that it was for life, heritable, and you had no w

You famously the key point of slavery (at least the sort that existed in what would become The Confederacy) is that it was for life, heritable, and you had no way out, no human rights, and if you tried to escape you were hunted down and tortured. It's possible to point out that there are problems with migrant labor without making such an inflammatory and inappropriate claim no one can really engage with you seriously.