John Fletcher writes that Ham's degraded condition resulted from marriage with the cursed race of Cain.
John Fletcher, Studies on Slavery in Easy Lessons (Natchez, MS: Jackson Warner, 1852), 250
God never sanctions a curse without an adequate cause ; a causeunder the approbation of his law, sufficient to produce the effect the curse announces. The conduct of Ham to his father proved him to possess a degraded, a very debased mind; but that alone could not produce so vital, so interminable a change in the moral and physical condition of his offspring. And where are we to look for such a cause, unless in marriage? And with whom could such an intermarriage be had, except with the cursed race of Cain? The ill-manners of Ham no doubt accelerated the time of the announcement of the curse, but was not the sole cause. The cause must have previously existed; and the effect would necessarily have been produced, even if it had never been announced