The thirteenth amendment
The thirteenth amendment to the United states constitution abolished slavery and involuntary servitude, except as punishment for crime. On April 8, 1864 the United states senate passed the resolution, but the United states House of Representatives refused to pass the impending legislation. But on jan. 31, 1865 the u.s. House representatives passes the thirteenth amendment to the constitution. Also Lincoln had issued the emancipation proclaimtion, freeing the slaves in the areas that were still in rebellion against the union.