Nullification

South Carolina Nullification Crisis Previews Slave Power Secession Tactics

| Importance: 8/10

A South Carolina state convention adopts the Ordinance of Nullification, declaring the federal Tariffs of 1828 and 1832 “null, void, and no law, nor binding upon this State, its officers or citizens,” and threatening secession if the federal government attempts to collect tariff duties …

John C. Calhoun Andrew Jackson South Carolina Henry Clay U.S. Congress nullification slave-power states-rights secession-threat constitutional-crisis +1 more
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Tariff of Abominations Imposes 45% Import Taxes, Triggering Nullification Crisis and Sectional Conflict

| Importance: 8/10

Congress passes and President John Quincy Adams signs the Tariff of 1828, an extraordinarily high protective tariff setting a 38% tax on some imported goods and a 45% tax on certain imported raw materials—the highest rates in American history to that point. The tariff seeks to protect Northern …

U.S. Congress John C. Calhoun Andrew Jackson Southern planters Northern manufacturers sectional-conflict nullification economic-extraction regional-exploitation slave-power
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Hartford Convention Federalist Secession Threat Establishes Nullification Precedent

| Importance: 7/10

Twenty-six New England Federalist leaders from Massachusetts, Connecticut, Rhode Island, Vermont, and New Hampshire convene in Hartford, Connecticut, to discuss grievances concerning the War of 1812 and federal government overreach under Democratic-Republican control. The convention addresses fears …

New England Federalists Harrison Gray Otis Massachusetts delegates Connecticut delegates Rhode Island delegates secession-threat nullification regional-conflict democratic-erosion elite-resistance
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