13th amendment was not passed into law until Dec 6 1865, the tyrant had been dead for 8 months. He said if he could save the Union by freeing no slaves, or just some he would have. He also stated in his speech of 18 th Sept 1858 that he did not believe blacks should have the vote, inter marry, hold public office or live sucessfully among the white race. He waited almost 2 years into the war to issue his useless proclamation to free slaves, which only applied to the slaves in the CSA where he had no authority. That was just a tactic to help win the war.
I was not the first person to mention the war or Dixie. Here is one from the Union