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Nullification crisis
The nullification Crisis of 1832-33 unfolded when South Carolina,under the leadership of John C.Calhoun.declared that federal tariffs imposed in 1828 and 1832 were invalid within its state,effectively refusing to comply with them.this action sparked a major complict with president Andrew Jackson,who strongly asserted the authority of the federal government and threatened to use force to enforce the tariffs,leading to a standoff over the principle of state’rights versus national supremacy.