USA HISTORY

Detailed explanation-1: -Congressman David Wilmot of Pennsylvania first introduced the proviso in the 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).

Detailed explanation-2: -On August 8, 1846, Wilmot introduced legislation in the House that boldly declared, “neither slavery nor involuntary servitude shall ever exist” in lands won in the Mexican-American War.

Detailed explanation-3: -The Wilmot Proviso was a proposal to prohibit slavery in the territory acquired by the United States at the conclusion of the Mexican War. In 1846, David Wilmot a Democratic member of the United States House of Representatives from Pennsylvania, proposed the Wilmot Proviso.

Detailed explanation-4: -Wilmot Proviso, in U.S. history, important congressional proposal in the 1840s to prohibit the extension of slavery into the territories, a basic plank upon which the Republican Party was subsequently built.

Detailed explanation-5: -The northerners supported the Wilmot Proviso, some because they truly believe in the abolitionist movement, others because they felt neglected by President James Polk. The bill was then sent to the Senate. Senator John David came up with a plan to force a vote on the appropriations bill without the added provision.