Jennifer L. Weber offers the first full-length portrait of this powerful faction to appear in almost half a century. Weber reveals how the Copperheads came perilously close to defeating Lincoln and ending the war in the South's favor. Indeed, by the summer of 1864, they had grown so strong that Lincoln himself thought his defeat was "exceedingly likely." Passionate defenders of civil liberties and states' rights--and often virulent racists--the Copperheads deplored Lincoln's suspension of habeas corpus, his liberal interpretation of the Constitution, and, most vehemently, his moves toward emancipation. Weber reveals how the battle over these issues grew so heated, particularly in the Midwest, that Northerners feared their neighbors would destroy their livestock, burn their homes, even kill them. Indeed, some Copperheads went so far as to conspire with Confederate forces and plan armed insurrections, including an attempt to launch an uprising during the Democratic...