The article fails to mention the Vatican donated a million dollars to the Confederates.
Most people, when asked, will say that the US Civil War was about slavery- it was only ONE of the issues
The real issue was the federal government telling the states what to do, and the states rejecting that.
Slavery was on its way out anyway and the civil war brought it about swiftly, but the core issue- states rights- should have been decided the other way