Less than 100 years after America's Thirteen Colonies broke from Great Britain and formed a new nation, cracks and disagreements tore the Union apart. Civil War Breaks Out examines the political and social ideals that led to simmering discontent, and the people who played a part in the lead-up to and outbreak of the Civil War. Features include author/illustrator biography, detailed maps, discussion questions, educational front/back matter, full-color illustrations, full-color photographs, glossary of key words, index, informative sidebars, primary-source text, sources for further research, suggested websites, table of contents, and timeline of key events. Downloadable Teacher Notes available.