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Ban slavery in any territory acquired from Mexico in the Mexican War or in the future, and possibly disputed lands in south Texas and New Mexico.
New Mexico is a state and no territory was gained from them.
The Wilmot Proviso proposal was to prevent the introduction of slavery in any territory acquired from Mexico
The bill that unsuccessfully attempted to ban slavery in Mexico was The Wilmot Proviso.
That all the territory acquired by the USA from Mexico should be free soil.
The Wilmot Proviso, would have banned slavery in any territory to be acquired from Mexico in the Mexican War. (In August 8, 1846, the US had not yet conquered the territory.) It passed the House but failed in the Senate, where the South had greater proportion of representation. It was reintroduced in February 1847 and again passed the House and failed in the Senate. Slavery in those territories would finally be adjudicated in the Compromise of 1850.
David Wilmot
slavery in the territory acquired from Mexico
The Wilmot Proviso is the answer
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.
In 1848, the Democrats needed new guy, decided on General Lewis Cass, an 1812 veteran. Slavery was outlawed in the territories that was ceded by Mexico.
Southern New Mexico and Arizona, south of the Gila river. It is also known as the Gadsden Purchase (1853).