The Case for Calhoun John C.Calhoun was the champion of the cause of the Southern slave states, and it was his views that gave the Confederacy justification for constitutional secession.His ideas concerning the theories of constitutional government made this major statesman a bold and original political force in the predawn years of the Civil War.He was rigidly articulate and comprehensively clear in his analysis of statesThe Case for Calhoun John C. Calhoun was the champion of the cause of the Southern slave states, and it was his views that gave the Confederacy justification for constitutional secession. His ideas concerning the theories of constitutional government made this major statesman a bold and original political force in the predawn years of the Civil War. He was rigidly articulate and comprehensively clear in his analysis of states