The failure of McClellan's movement upon Richmond increased immensely the prestige of the enemy. The need of some great act to stimulate the vitality of the Union cause seemed to grow daily more pressing. On July 21, 1862, Lincoln surprised his cabinet with the draught of a proclamation declaring free the slaves in all the States that should be still in rebellion against the United States on the 1st of January, 1863. As to the matter itself he announced that he had fully made up his mind; he invited advice only concerning the form and the time of publication. Seward suggested that the proclamation, if then brought out, amidst disaster and distress, would sound like the last shriek of a perishing cause. Lincoln accepted the suggestion, and the proclamation was postponed. Another defeat followed, the second at Bull Run. But when, after that battle, the Confederate army, under Lee, crossed the Potomac and invaded Maryland, Lincoln vowed in his heart that, if
