This graph compares the important advantages/disadvantages of each side throughout the Civil War.
This is a picture of Ulysses S. Grant after the Union had declared victory over the Confederacy. In the background is the powerful Navy that had an important influence on the war.
This graph displays the casualties during some of the biggest battles of the war. The Union acknowledged the fact that they had a significantly larger number of soldiers than the Confederacy and used it to their advantage.