4. The Nullification Crisis (1832-1833)
The tension between state and federal power erupted when South Carolina declared its right to nullify federal tariffs, threatening outright secession. President Andrew Jackson responded with forceful rhetoric and military readiness, determined to preserve the Union at any cost. The standoff pushed the nation to the brink, but a last-minute compromise—reducing tariffs—eased tensions and averted disaster. The crisis showcased the fragility of American unity and foreshadowed the even greater conflicts to come. Learn more
