Some sources claim that this was created by Jacob Brinkerhoff, not its name
Some sources claim that this was created by Jacob Brinkerhoff, not its namesake, and Preston King controversially proposed it for greater generality. Attached to the Appropriations Bill of1846 by the House of Representatives, it was proposed by a Democratic representative from Pennsylvania. For ten points, name this proviso that moved to exclude slavery from the territory annexed by the U.S. in the Mexican-American War.
Some sources claim that this was created by Jacob Brinkerhoff, not its namesake, and Preston King controversially proposed it for greater generality.
{Wilmot} Proviso