Question

During the Mexican-American War, the United States and Mexico fought over

Answer 1

the U.S. and Mexico fought over land and ethnic conflicts.

Answer 2

in 1846, a dispute over the border between Texas and Mexico resulted in armed conflict, and the Mexican–American War began. After offering to buy the territory, Polk moved U.S. troops into a place that Mexico said was not in Texas, but rather part of the Mexican state of Coahuila. The Mexican army attacked them.

Step-by-step explanation: