Are you saying that a demonic moved him to support the Emancipation Proclamation?
If Nettie Colburn Maynard’s autobiography is accurate, that is what happened.
The Lincolns were known to conduct seances in the White House.
Any Spirit contacted in such a process is demonic, unless it was the spirit of Samuel or something - and even then we don’t know if that was him, or a demon.
The Old Testament penalty for necromancy was death - which indicates how dangerous that practice is.
It’s quite notable that ol’ “ honest Abe “ tops the list of academic leftists most admired U.S. presidents.
There’s a reason for that.