The Mexican-American War, 1846-1848.
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Texas does
It forms the border between Texas and Mexico.
The Great State of Texas.
The Rio Grande is the border between Mexico and Texas.
The Rio Grande river is the river that is on the western border of Texas.
The Rio Grande is the border between Texas and Mexico.
Texas and Arizona
The Rio Grande.
The Rio Grande river runs from north to south and border to border through the center of the State.
The Rio Grande or Rio Bravo del Norte (as it's known in Mexico)