WITH very small exceptions the negro slave was absolutely subject to sale at such times, to such persons, and on such terms as pleased his master. The ownership was as absolute as that of a horse or a watch. Although prosperous masters commonly did not sell slaves, the threat of being "sent down the river" for bad conduct was often realized; and able-bodied slaves who began to lose their vigor and vitality were sometimes sold because no longer profitable as work-hands; or at the death of a master, especially if the estate went to several heirs, among whom the proceeds had to be divided. There was always an undercurrent of feeling that to part with one's slaves was ignoble; hence the most frequent reason for selling was simply that the master was obliged to realize, either to pay for something that he wanted to buy, or because he was in debt.
Was it true, as charged by the abolitionists, that slaves were bred in the border states for no other purpose than to sell them? Probably the truth was