Even though it was very soon after the first war, the U.S. and Mexico almost went to war in 1853 over the Mesila Valley. Franklin Pierce did almost bring troops to the region, as did Santa Anna, but they decided to solve it peacefully with the Gadsden Purchase.
Pierce was an expansionist so it was not certain to end this way.
How would a second war breaking out so soon affect both countries?
Pierce was an expansionist so it was not certain to end this way.
How would a second war breaking out so soon affect both countries?