The document summarizes the key causes and effects of the American Civil War. The main causes were unfair taxation in the North, states' rights issues between the North and South, and the issue of slavery. The effects included the Union's victory over the Confederacy, over 1 million casualties, the preservation of the United States' territorial integrity, and the abolition of slavery nationwide. The document also examines a poem about the Civil War and how the war impacted American literature.