By the time of the Gettysburg Address, in November 1863, the North was fighting for a 'new birth of freedom' to transform the Constitution written by the founding fathers, under which the United States had become the world's largest slaveholding country, into a charter of emancipation for a republic where, as the northern version of 'The Battle Cry of Freedom' put it, 'Not a man shall be a slave'.

The Illustrated Battle Cry of Freedom (2003)