USA HISTORY

Detailed explanation-1: -The Wilmot Proviso was an unsuccessful 1846 proposal in the United States Congress to ban slavery in territory acquired from Mexico in the Mexican–American War .

Detailed explanation-2: -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-3: -Though Wilmot’s heart did not bleed for the slave, he envisioned California as a place where free white Pennsylvanians could work without the competition of slave labor. Since the north was more populous and had more Representatives in the House, the Wilmot Proviso passed.

Detailed explanation-4: -One of the most important of proposals was the Wilmot Proviso which Representative David Wilmot of Pennsylvania proposed in 1846, two years before the war ended. Under this proviso, any territory gained by war with Mexico should be free and thus reserved exclusively for whites.