How many us forces were sent to fight in the mex American war where did they go to fight?

Approximately 100,000 U.S. troops were deployed during the Mexican-American War, which lasted from 1846 to 1848. The primary theaters of combat included Texas, where initial conflicts occurred, and later moved into Mexican territory, with significant battles taking place in areas such as Veracruz, Palo Alto, and San Antonio. The war culminated in the capture of Mexico City in September 1847.