The US Civil War was the deadliest conflict in American history, partly because of rapidly advancing military technology. Civil War Technologyexplores how rifles, ironclad ships, and telegraphs helped the Union win the war. Easy-to-read text, vivid images, and helpful back matter give readers a clear look at this subject. Features include a table of contents, infographics, a glossary, additional resources, and an index. Aligned to Common Core Standards and correlated to state standards. Core Library is an imprint of Abdo Publishing, a division of ABDO.