Which of the Following Was NOT an Element of the Proslavery

Which of the following was NOT an element of the proslavery argument developed in the 1830s?

A) None of the Biblical prophets or Christ himself had ever condemned slavery.
B) Slavery was an unfortunate legacy of earlier tyrannical acts of the English Parliament and northern colonial merchants.
C) Southern slaves lived better lives than northern factory workers.
D) Slaves belonged to an inferior race.