Lincoln owned no slaves. Lee did. I agree that Lincoln didn't really care about slavery and used it as a political poker chip, but he did so to preserve the union. That is why he is a great president. He knew we were stronger as one nation rather than two and had the fortitude to tough it out as the country ripped itself apart as well as dealing with his own personal tragedies. He also realized that he might pay for it with his life which he ultimately did. He's still one of our greatest as far as I'm concerned.
and only FINALLY illegalized slavery just so that Britain and Spain wouldn't recognize the Confederate States of America as a nation. Actually he abolished slavery partly because #1 He wanted to establish business in the west which was also being competed for by the south and their "make blacks do your handiwork" contradicted his "every man should do their own work (someone cite me on this if it's genuinely wrong). #2 The moment he declared all black slaves free the south was screwed. Perfect way to win the civil war.