The Wilmot Proviso pulled the nation apart because the southerners and northerners did not know whether to allow slavery in Mexico and the Wilmot Proviso automatically banned slavery in that region. ... Another was to allow the New Mexico and Utah territories to allow whether they wanted to have slavery.
Because they come from a different place with a different system compared with the city. Rules and procedures are unknown so they are forced to rely upon and trust people whom they know in the city. The urban people are knowledgeable in their area and have better instructions to give.
