Nullification crisis: American vice president John C. Calhoun's South Carolina Exposition and Protest, written to protest the Tariff of Abominations, was presented to the South Carolina House of Representatives.

The nullification crisis was a sectional political crisis in the United States in 1832 and 1833, during the presidency of Andrew Jackson, which involved a confrontation between the state of South Carolina and the federal government. It ensued after South Carolina declared the federal Tariffs of 1828 and 1832 unconstitutional and therefore null and void within the sovereign boundaries of the state.

John Caldwell Calhoun was an American statesman and political theorist who served as the seventh vice president of the United States from 1825 to 1832. Born in South Carolina, Calhoun began his political career as a nationalist, modernizer and proponent of a strong federal government and protective tariffs. In the late 1820s, his views shifted, and he became a leading proponent of states' rights, limited government, nullification, and opposition to high tariffs, and distinguished himself as an outspoken defender of American slavery. Calhoun saw Northern acceptance of those policies as a condition of the South's remaining in the Union. His beliefs heavily influenced the South's secession from the Union in 1860 and 1861. Calhoun was the first of two vice presidents to resign from the position, the second being Spiro Agnew, who resigned in 1973.

The South Carolina Exposition and Protest, also known as Calhoun's Exposition, was written in December 1828 by John C. Calhoun, then Vice President of the United States under John Quincy Adams and later under Andrew Jackson. Calhoun did not formally state his authorship at the time, though it was widely suspected and later confirmed.

The Tariff of 1828 was a very high protective tariff that became law in the United States on May 19, 1828. It was a bill designed to fail in Congress because it was seen by free trade supporters as hurting both industry and farming, but it passed anyway. The bill was vehemently denounced in the South and escalated to a threat of civil war in the nullification crisis of 1832–33. The tariff was replaced in 1833, and the crisis ended. It was called the "Tariff of Abominations" by its Southern detractors because of the effects it had on the Southern economy. It set a 38% tax on some imported goods and a 45% tax on certain imported raw materials.