What leader was known for discussing religious belief in the role of slavery?

The leader known for discussing the role of religious belief in slavery was John C. Calhoun, a prominent American statesman and political theorist from the 19th century. He argued that slavery was a "positive good" and claimed that it was supported by biblical teachings, asserting that it benefited both the enslaved individuals and Southern society. Calhoun's views reflected the broader justifications for slavery that were prevalent among many Southern politicians and religious leaders during that era.