Most Fundamentally, Over What Did Internationalists and Isolationists Disagree

Most fundamentally, over what did internationalists and isolationists disagree?

A) whether war could be prevented by collective security
B) whether an international consultation or a North Atlantic military alliance would best preserve peace
C) which political party could best protect American security
D) whether international alliances or policies like the Stimson Doctrine were the more effective strategy against aggression