Completar frases Emancipation Proclamation Versión en línea Civil War por Aaron Stinson 1 bring British focus slavery rebel Lincoln North freeing slaves cultural Congress economically amendment soldiers proclamation freed responded changes rebelling enforce unconstitutional black slave states feared abolished Proclamation On September 22 , 1863 President issued the Emancipation freeing all in states against the United States . Lincoln believed that the loss of slaves would hurt the south and would help influence the to favor the because they also opposed . The Proclamation also promised that the Union military would this law , and invited men to serve as Union . This shifted the of the war from rights and differences to that of the slaves . The that affected the rebellious states caused people in other slave states to make . Missouri and Maryland their slaves . The three states that were already occupied by Union forces also slavery . To make sure that other states did not slavery back after the war , and Lincoln supported a permanent to the U . S . Constitution that would make slavery . In Georgia and other southern states , white slave holders if slaves found out about the proclamation they might . Jefferson Davis with a proclamation that all free blacks captured by the Confederacy would become . Georgia : Its Heritage and Its Promise Clairmont Press 201 4