Support for slavery in the Southern States was based on all of the following reasons except

answer; andrew jackson approved nullification by signing it into law,and john calhoun opposed it saying it was unconstitutional;

answer:

won re-nomination with no opposition he also had the support of his party

explanation:

it saw incumbent president andrew jackson, candidate of the democratic party, defeat henry clay, candidate of the national republican party. jackson won re-nomination with no opposition, and the 1832 democratic national convention replaced vice president john c. calhoun with martin van buren.