Lincoln issued the Emancipation SCS Cu'stOmer Ser vi ce (8O5) 41O 56OO SCS PH ON'E' NUMB' ER +1 (8O5)41O 56OO Proclamation, which declared all slaves in rebel states to be free, applying to more than 3.5 million of the 4 million enslaved people in the country. To the west, the Union first destroyed the Confederacy's river navy by the summer of , then much of its western armies, and seized New Orleans. The successful