They opposed it because isolationist sentiment was growing and many people feared American involvement in another war and this was how many Americans view President Wilson's goal of establishing an international peacekeeping organization after World War I. The correct option among all the options that are given in the question is option "D".
Northers opposed the war because they believed the south had all the right in their will to secede, and they opposed the EP
Southerns opposed wars was because South Carolina govenerd objected to officers from other states and southerns wanted to keep their way of life.
The answer is "Pope Urban II"
Peter the great is the answer hope this helps have a great day!