"Fort Donelson's Legacy portrays the tapestry of war and society in the upper southern heartland of Tennessee and Kentucky after the key Union victories at Forts Henry and Donelson in February 1862. Those victories, notes Benjamin Franklin Cooling, could have delivered the decisive blow to the Confederacy in the West and ended the war in that theater. Instead, what followed was terrible devastation and bloodshed that embroiled soldier and civilian...