USA HISTORY

Detailed explanation-1: -In 1846, David Wilmot a Democratic member of the United States House of Representatives from Pennsylvania, proposed the Wilmot Proviso. He attached the proviso to an appropriations bill to pay Mexico for land that the United States had seized as a result of the Mexican War.

Detailed explanation-2: -A U.S. Congressman (1845-1851) and later Senator (1861-1863) from Pennsylvania, David Wilmot sponsored an amendment to an appropriations bill in the House of Representatives on August 8, 1846, which proposed the banning of slavery in land gained from Mexico in the Mexican-American War.

Detailed explanation-3: -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-4: -neither slavery nor involuntary servitude shall ever exist in any part of said territory, except for crime, whereof the party shall first be duly convicted.” This provision that slavery be excluded from the Mexican Cession became known as the Wilmot Proviso.