West Pointers and the Civil War - Wayne Wei-Siang Hsieh - Bog

Most Civil War generals were graduates of West Point, and many of them helped transform the U.S. Army from what was little better than an armed mob that performed poorly during the War of 1812 into the competent fighting force that won the Mexican War. Hsieh demonstrates how the "old army" transformed itself into a professional military force after 1814.