The American military commander with the longest term. Before the 20th century, Winfield Scott was the most influential general in the United States after George Washington. His illustrious military exploits and leadership deeply influenced the history of the United States! In 1841, Scott became the Commanding General of the United States Army and reformed the United States Army, which greatly improved its tactics, quality and equipment. In February 1847, Scott captured the enemy city by a naval assault and finally won the invasion with 13,000 troops. This invasion was known as "up to that time the most ambitious amphibious expedition in human history." When the civil war broke out in 1861, Winfield Scott made the "Anaconda Plan" for the North. President Lincoln and General Grant adopted his plan and finally won the civil war. Winfield Scott was recognized as one of the greatest generals in American history for his outstanding strategic talents and leadership!