Angelina Grimke criticizes use of Canaan myth to justify enslavement.
Angelina Grimke, An Appeal to the Christian Women of the South (New York: American Anti-Slavery Society, 1836): 3
I do know that prophecy [of Canaan] does not tell us what ought to be, but what actually does take place, ages after it has been delivered, and that if we justify America for enslaving the children of Africa, we must also justify Egypt for reducing the children of Israel to bondage, for the latter was foretold as explicitly as the former.