The document summarizes key events during the early months of the American Civil War from Abraham Lincoln's perspective as he took steps to stabilize the Union in the face of secession and conflict. It describes Lincoln issuing a call for troops after the attack on Fort Sumter, the outbreak of violence in Baltimore, his blockade of Southern ports, and the Union defeat at the First Battle of Bull Run. It highlights Lincoln's resolve and skills in leadership, persuasion, reflection, and maintaining morale during this challenging period for the Union.