Which future Civil War generals gained military experience in the Mexican-American War?

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How the Mexican-American War changed the U.S. forever — Mexican-American War Learn how the Mexican-American War ultimately pushed the United States closer to civil war.

Many of the most prominent commanders on both sides of the American Civil War gained significant military experience as junior officers during the Mexican-American War.12

The following future generals served during the conflict:

Confederate Generals:
* Robert E. Lee12
* Stonewall Jackson12
* James Longstreet12
* George Pickett12
* Albert Sidney Johnston2
* P.G.T. Beauregard2
* Lewis Armistead2

Union Generals:
* Ulysses S. Grant12
* George McClellan1
* George Gordon Meade2
* George H. Thomas2
* Joseph Hooker2

Additionally, Jefferson Davis, who would become the president of the Confederacy, served as a colonel during the war and gained national recognition for his leadership at the Battle of Buena Vista.3