The Guadalupe-Hidalgo Treaty of 1848, after the Mexican-American War (1846-1848).
Right.
The border
The Treaty of Guadalupe Hidalgo settled the boundary dispute between the United States and Mexico.
Most of the Mexico-Belize border is defined by the Hondo River (Spanish: Rio Hondo).There is however, a Rio Hondo located in the US State of New Mexico, but it doesn't define any boundary with the country of Mexico.
Rio Grande
Rio Grande
The Rio Grande.
The Treaty of Guadalupe Hidalgo
The Rio Grande River.
Rio grande
The Rio Grande
From 1848 to 1853, the US-Mexico border in Arizona and New Mexico was the Gila River.