Lincoln was NOT a good president. One of the most evil, actually.
You may want to download and read “War Crimes Against Southern Civilians.” Written by Walter Cisco, author of several books, It is well documented and sourced. Called the “Black Flag” campaign, it was agreed to by Lincoln in a council with his generals in 1864. This book reveals the shelling and burning of cities, systematic destruction of entire districts, mass arrests, forced expulsions, wholesale plundering of personal property, and even murder of civilians. Carefully researched largely from primary sources, this examination also gives full attention to the suffering of Black victims of Federal brutality. It’s definitely does not present the view that we get in school or the media.
Even if true, those are the wages of treason.