Surrounded by a ring of fire, the scorpion stings itself to death. The image, widespread among antislavery leaders before the Civil War, captures their long-standing strategy for peaceful abolition: they would surround the slave states with a cordon of freedom. They planned to use federal power wherever they could to establish freedom: the western territories, the District of Columbia, the high seas. By constricting slavery they would induce a crisis: slaves would escape in ever-greater numbers, the southern economy would falter, and finally the southern states would abolish the institution...

Freedom National is a groundbreaking history of emancipation that joins the political initiatives of Lincoln and the Republicans in Congress with the courageous actions of Union soldiers and runaway slaves in the South. It shatters the widespread conviction that the Civil War was first and foremost a war to restore the Union and only gradually, when it became a military necessity, a war to end slavery. These two aims--"Liberty and Union, one and inseparable"--were intertwined in Republican policy from the very start of the war.

By summer 1861 the federal government invoked...

Freedom National is a groundbreaking history of emancipation that joins the political initiatives of Lincoln and the Republicans in Congress with the courageous actions of Union soldiers and runaway slaves in the South. It shatters the widespread conviction that the Civil War was first and foremost a war to restore the Union and only gradually, when it became a military necessity, a war to end slavery. These two aims--"Liberty and Union, one and inseparable"--were intertwined in Republican policy from the very start of the war.

By summer 1861 the federal government invoked...