True , because it stated that slavery was often referred and is recognized as the immediate cause of the civil war.
He recreated the laws, and he created a code of law for the empire.
Nationalism usually does provoke violence and rebellions within nations. A great example of such a thing was the assassination of Archduke Franz Ferdinand by a Bosnian Serb due to the fact he was a major Serbian Nationalist and believe Bosnia should be apart of Serbia.
I think the answer is
A. Southern plantation owners