b) Zachary Taylor
Zachary Taylor, a major general in the U.S. Army and later the 12th President of the United States, commanded American forces during the Mexican-American War. Known as “Old Rough and Ready” for his rugged demeanor and informal style, Taylor’s military leadership was instrumental in several key victories, including the Battles of Palo Alto and Buena Vista. These successes boosted his national reputation, propelling him to the presidency. Taylor’s role in the war was critical in the U.S. gaining vast territories from Mexico, significantly shaping the nation’s geographical and political landscape.