Slavery caused a break in the democratic party.
We need the full Question.
The Treaty of Guadalupe Hidalgo, which brought an official end to the Mexican-American War<span> (1846–48), was signed on February 2, 1848, at Guadalupe Hidalgo, a town near Mexico City. The U.S. paid Mexico $15 million and absorbed another $3 million in debts, and acquired New Mexico, Arizona and California.</span>
They started discussing seceding the nation. This led to the confederate states being formally established and eventually the civil war.
Federalists have a strict interpretation of the constitution, so this is true
