American Civil War Homepage - View a directory of links ranging from general resources to images and battles; a good resource for anyone interested in the history of the American Civil War.
Civil War Interactive - Find historical information on the Civil War as well as current information on historic Civil War sites.
Civil War Soldiers and Sailor System - The National Parks database offers very basic facts about servicemen who served on both sides during the Civil War.
Civil War: 150 Years - "The National Park Service commemorates a defining event in our nation's history and its legacy in the continuing fight for civil rights."
Military History Online, Civil War - Access details, maps, troop movements, and much more on this site dealing with the battles of Gettysburg, Fredericksburg, and Antietam. More battle sites will be included in the future.
How the Cotton Gin Started the Civil War - An article from the American Society of Mechanical Engineers that outlines the effect one invention had on slavery and the entire economy of the American South.