Answer:
Under the terms of the treaty negotiated by Trist, Mexico ceded to the United States Upper California and New Mexico. This was known as the Mexican Cession and included present-day Arizona and New Mexico and parts of Utah, Nevada, and Colorado (see Article V of the treaty).
Republican Party<span> The outrage over the decision strengthened the anti-slavery movement, which united under the burgeoning Republican Party.</span>
I think that might be a yes i could be wrong