Calhoun's nullification theory allowed states to declare federal laws unconstitutional, leading to the Nullification Crisis in the 1830s.
Calhoun's nullification theory centered around the idea that states had the right to nullify federal laws they deemed unconstitutional. According to Calhoun, if a state found a law objectionable, it could declare it null and void within its borders through a special state convention. This theory ultimately led to the Nullification Crisis in the 1830s during Jackson's presidency.
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