Mexican-American War: Key Facts and Impact
Source: Mexican-American War | Significance, Battles, Results, Timeline, & Facts (2025-09-26)
The Mexican-American War was a significant conflict between the United States and Mexico, involving major battles and lasting from 1846 to 1848. It played a crucial role in shaping the territorial boundaries of the present-day United States. The war's results included the U.S. gaining large territories in the southwest, such as California and New Mexico, which had lasting effects on the nation's expansion and history.