If you're referring to the tariff of 1812 (the tariff of abominations), south carolina did not approve because they stated it was unconstitutional.
Changes in voting qualifications and participation, the election of Andrew Jackson, and the formation of the Democratic Party—due largely to the organizational skills of Martin Van Buren—all contributed to making the election of 1828 and Jackson's presidency a watershed in the evolution of the American political system
36' 30 is the latitude that was chosen as the dividing line between slave and free states.
They both dealt with representation in Congress
