>>17940564 (OP)
4 million slaves were freed and turned out on their own. That is what happened. As a result, hundreds of thousands died from starvation, exposure, and disease.
The South understood that unless there was a responsible plan in place to facilitate the transition, keeping them in their current condition was more humane.
“You have already emancipated nearly two millions of our slaves, and if you will take care of them, you may emancipate the rest. I had a few when the war began. I was of some use to them; they never were of any to me. Against their will you 'emancipated' them, and you may 'emancipate' every negro in the Confederacy, but we will be free! We will govern ourselves.”
~ Jefferson Davis, The Atlantic Monthly, Aug. 18, 1864, "Our Visit to Richmond," by J. R. GILMORE. Mr. GILMORE accompanied Col. JAQUES