What important cities remained for the north to capture after 1863?

After 1863, the Union needed to capture several key cities to gain strategic advantages in the Civil War. Notably, Richmond, Virginia, the capital of the Confederacy, remained a critical objective. Additionally, cities like Atlanta, Georgia, and Mobile, Alabama, were essential for disrupting Confederate supply lines and communications. Securing these cities would significantly weaken the Confederacy's ability to sustain the war effort.