From Gray to Blue: Galvanized Yankees in the American Civil War

Amid the chaos of battle and the harsh conditions of prisoner-of-war camps, tens of thousands of soldiers from both the Union and Confederate armies made controversial decisions to switch their allegiances. Building upon his 2020 work, Changing Sides: Union Prisoners of War Who Joined the Confederate Army, Patrick Garrow explores the other side of this overlooked aspect of Civil War history.

Significantly expanding on previous scholarship around “galvanized Yankees” Garrow begins his study w...