Check your history. Lincoln did not care if blacks were liberated or not. He just did not want to loose the federal revenue of the South. ( 75% of gov't revenue came from an export tax on southern goods back then)
When asked, "Why not let the South go in peace?"
Lincoln replied: "I can't let them go. Who would pay for the government?"
Abraham Lincoln said the following on September 18, 1858 in a speech in Charleston, Illinois:
"I will say, then, that I am not, nor ever have been, in favor of bringing about in any way the social and political equality of the white and black races [applause]: that I am not, nor ever have been, in favor of making voters or jurors of negroes, nor of qualifying them to hold office, nor to intermarry with white people; and I will say in addition to this that there is a physical difference between the white and black races which I believe will for ever forbid the two races living together on terms of social and political equality. And inasmuch as they cannot so live, while they do remain together there must be the position of superior and inferior, and I, as much as any other man, am in favor of having the superior position assigned to the white race." -- Reply by Abraham Lincoln to Stephen A. Douglas in the first joint debate, Ottowa, IL; 21 Aug 1858
to the guy below, yes read the Emancipation Proclamation. It only frees blacks in areas Lincoln had no jurisdiction in. It freed no one in Kentucky or anywhere else not in "rebellion".