A Constitutional crisis erupted when President Lincoln authorized the Army to arrest suspicious persons without due process after Maryland rebels tried to cut off Washington.
The trouble with military trials
Peace without victory was the crusade of Clement L. Vallandigham, the volatile extremist spokesman of the antiwar “Copperheads.” Too often his deeds had a suspicious odor of treason
Was it, as Navy Secretary Welles believed, “a conspiracy to overthrow the government”?