was issued by Abraham Lincoln on January 1, 1863, during the American Civil War, declaring all "slaves within any State, or designated part of a State... then... in rebellion,... shall be then, thenceforward, and forever free." The states affected were enumerated in the proclamation; specifically exempted were slaves in parts of the South then held by Union armies. Lincoln's issuance of the Emancipation Proclamation marked a radical change in his policy. After out break of the Civil War, the slavery issue was made acute by the flight to Un ....