The document summarizes and compares two websites about the American Civil War: CivilWar.org and CivilWar.com. It finds that CivilWar.org, run by a nonprofit organization, is more credible as it provides more detailed information with citations and an interactive map, while CivilWar.com, run by an internet company, offers sporadic information without citations. The document concludes that CivilWar.org is the most reliable source.