What were zachery Taylor biggest accomplishment?

Zachary Taylor, the 12th President of the United States, is best known for his military achievements during the Mexican-American War, particularly his victories at the Battle of Palo Alto and the Battle of Buena Vista, which helped solidify U.S. control over territories that would later become part of the Southwest. His presidency, though brief, also focused on national unity amid the growing tensions over slavery, as he opposed the extension of slavery into the newly acquired territories. Additionally, Taylor's commitment to the Union and his stance against secessionist sentiments were significant in the context of the pre-Civil War era.