VADER091907GO VADER091907GO History Answered Which of the following is True? A. John C. Calhoun was against the institution of slavery but still supported the idea of State's Rights. B. John C. Calhoun was an abolitionit and argued against State's Rights. C. John C. Calhoun was a supporter of slavery and the idea of State's Rights. D. John C. Calhoun said he would do whatever it took to keep the county whole and preserve the Union. 50 points!!!