What if Mexico had refused the Treaty of Guadalupe Hidalgo?

I can’t see how that could have been possible. In a way, it’s pretty much like having a thug pointing a gun at blank range asking for your wallet. You refuse to obey, you get shot, and the thugh takes your wallet anyway, so you don’t really have a choice, do you?

Nevertheless, the rule of the U.S. occupation forces over Mexico in 1847 and 1848 was precarious. At the time, many Mexican guerrilla groups harassed the U.S. military supply land convoys, so many Mexicans believed that we could make the U.S. stay costly in time and recover the best part of our territory. Mexican politicians, in turn, were eager to resume their offices and were far more interested in shortening the U.S. military presence whatever the political cost might be.

The Treaty of Guadalupe Hidalgo is one of many examples of the way that the politician class in Mexico have sold the country on their own behalf, and they have even tried to tarnish the deeds of the very few Mexicans who refused to betray their country as they did, do, and always will.

First, Baja California would have stayed occupied and was already being Americanized by Yankee seamen not Southerners.

Polk had asked Congress for more money to occupy more cities in Mexico, and Congress had refused, both Northern Whigs already opposed to the war, and southern secessionist Calhoun who proposed to simply draw a defensive line to defend the annexed territories. So some sort of standoff seems likely, until some agreement was found or the Americans simply withdrew from central Mexico.

Would lack of a boundary treaty lead to an Israeli/Palestinian situation? Only if the USA had tried to permanently occupy all of Mexico.

There was some talk among Mexican liberals about joining the USA as the best path to progress. But strong southern US opposition to adding many antislavery voters and states, would have made this unlikely to gain approval.

We did, but we had a gun pointed at our head. I know this because and ancestor of my husband was the acting mayor when the american tropos marched into  the city once the final victory was made by the us army in a place called Molino del Rey, this monument is now part of the oficial residence of the Mexican President, his name was Juan José Baz.

This is what he looked like in his older years.

Mexico really wasn’t in a position to refuse at the time, the choices they had were to take the money offered (which I’m sure only helped a few Mexican officials) and sign the treaty, or continue the war and risk losing even more.

I know that’s a pretty short answer, but other than inventing some revisionist history, it’s all I have.