Military leadership in the American Civil War Military leadership in the American Civil War Military leadership in the American Civil War was influenced by professional military education and the hard-earned pragmatism of command experience. While not all leaders had formal military training, the United States Military Academy at West Point, New York and the United States Naval Academy at Annapolis created dedicated cadres of professional officers whose understanding of military science had profound effect on the conduct of the American Civil War and whose lasting legacy helped forge the traditions of the modern U.S. officer corps of all service branches. President Abraham Lincoln was Commander-in-Chief of the
Names of the American Civil War American flag". Given that in the free states non-Yankee groups – Germans, Dutch-Americans, New York Irish and southern-leaning settlers in Ohio, Indiana and Illinois – showed majority opposition to waging the Civil War, other Confederate sympathizers have used the name "War of Yankee Aggression" or "Great War of Yankee Aggression" to indicate the Civil War as a Yankee war, not a Northern war "per se". Conversely, the "War of Southern Aggression" has been used by those who maintain that the Confederacy was the belligerent party. They maintain the thought that the Confederacy started the war when they initiated combat at