Lots of factual errors here, one obvious one being "... Treaty of Guadalupe Hidalgo was signed, requiring Mexico to cede more than half of its territory to the

Lots of factual errors here, one obvious one being "... Treaty of Guadalupe Hidalgo was signed, requiring Mexico to cede more than half of its territory to the U.S." Ceded territory: 525,000 square miles Mexico size afterward: 761,610 square miles