This document discusses the outbreak of the American Civil War, including Lincoln's challenges in dealing with secession and the attack on Fort Sumter. It analyzes the military, economic, diplomatic, and political factors that impacted the Union and Confederacy during the early years of the war. Key events mentioned include Lincoln calling for troops after Fort Sumter, tensions with Britain over blockade running and ship building, and the economic difficulties faced by the South compared to the North's stronger financing of the war effort.