30 (15 color, 15 black and white outline) illustrations depicting the United States Civil War (1861–1865), a defining conflict fought between the Northern states, known as the Union, and the Southern states that seceded to form the Confederacy. The war was driven by deep divisions over slavery, states’ rights, and the future direction of the nation. It began when Confederate forces fired on Fort Sumter in South Carolina and would go on to become the deadliest war in American history. The war res