The Battle of Chancellorsville was a victory for the Confederate army. It had several important successes for the Confederacy. First, it resulted in a significant boost in morale for the Confederate troops and their commanders, as they had achieved a major victory against the odds. Second, it strengthened the Confederate hold on Virginia, as Union troops were forced to retreat across the Rappahannock River. Third, the victory provided the Confederacy with a strategic advantage, as it allowed them to take the offensive and launch further campaigns against the Union. Finally, the Battle of Chancellorsville helped to bolster the reputation of Robert E. Lee and his generalship, solidifying his status as one of the most skilled military commanders of the Civil War.