Which United States senator represented the South and argued that slavery was necessary

John C. Calhoun ... The origins of Senatorial elections were that a Governor would elect the two Senators to represent the state of their election. The ... The South became dependent upon the slave system, however, hin ... dsight tells us that if slavery had never existed in North America, free workers would have worked in the

John C. Calhoun

He was the US South Carolina Senator who believed that slavery was necessary. He was a political theorist that believed in republicanism, which also included the approval of slavery. He had also served as the vice president of the USA.