Answer:
They were battles of the Mexican American War (1846-1848).
Step-by-step explanation:
The Mexican-American War was fought between the United States and Mexico from 1846 to 1848. This conflict was caused by the rivalry between these two countries, motivated by the process of territorial expansion of the United States and its ambition over territories that belonged to Mexico. Approximately 40,000 people died during this period, victims of clashes or illnesses acquired in the camps of this war.