Wilmot Proviso, a rider on an 1846 appropriations bill meant to prevent slavery in territories acquired in the Mexican-American War
Congressman David Wilmot first introduced the Proviso in the United States House of Representatives on August 8, 1846, as a rider on a $2,000,000 appropriations bill intended for the final negotiations to resolve the Mexican–American War (this was only three months into the two-year war).
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The Barnburners were successfully opposed by their conservative opposition, the Hunkers, in their efforts to send a pro-proviso batch of delegates to the 1848 Democratic National Convention.
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William W. Wick, Democrat of Indiana, attempted to eliminate total restriction of slavery by proposing an amendment that the Missouri Compromise line of latitude 36°30' simply be extended west to the Pacific.
Wilmot, Wisconsin | Wilmot | Rufus Wilmot Griswold | Proviso East High School | John Wilmot, 2nd Earl of Rochester | Gary Wilmot | John Eardley Wilmot | Henry Wilmot, 1st Earl of Rochester | Wilmot, Ontario | Wilmot N. Hess | Wilmot, New Hampshire | Wilmot baronets | Sir John Eardley-Wilmot, 1st Baronet | Proviso West High School | Charles Wilmot, 1st Viscount Wilmot | Wilmot River | Wilmot Proviso | Wilmot, Nova Scotia | Sir John Eardley-Wilmot, 2nd Baronet | Mollie Wilmot | Jorge Wilmot | Henry Wilmot |
Failed amendments to the Wilmot Proviso by William W. Wick and then Stephen Douglas extending the Missouri Compromise line (36°30' parallel north) west to the Pacific, allowing slavery in most of present day New Mexico and Arizona, Las Vegas, Nevada, and Southern California, as well as any other territories that might be acquired from Mexico.