The boundary dispute between the U. S. and Mexico was simple. The U. S. claimed that the Rio Grande River was the border, but Mexico insisted it was the

River

A Guadalupe

B Colorado

C Brazos

D Nueces

Also 15 points in

The answer is D, the Nueces River.

Explanation:

Conflict with Mexico began when the United States annexed Texas as a state in 1845. Mexico claimed that the new border between Texas and Mexico was the Nueces River, while the United States contested the border was the Rio Grande.

d) true or false question

sense of self-interest