Answer :
Several incidents in the run-up to the Civil War came close to severing the Union. One of the most major occurrences was indeed Nullification Crisis of 1832, reasons of which had been accumulating for decades.
The 1832 Nullification Crisis began when South Carolina's state legislature "nullified" federal tariffs that harmed the state. South Carolina pledged independence if federal authorities attempted to implement tariffs in the state. President Jackson reacted forcefully, warning the federal law must be followed or South Carolina will face the repercussions of federal military intervention. While issuing direct threats, Jackson also supported a deal that would cut federal tariffs, thereby pleasing South Carolina. With both the Nullification Crisis of 1832 concluding with the 1833 Compromise Tariff, cooler heads triumphed. Both sides are eligible to claim victory, despite the fact that the crisis heightened the nation's sectarian tensions.
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