Which Statement Best Describes the General Agreement of the Scholarly

Which statement best describes the general agreement of the scholarly community about the study of international politics?

A) History speaks with sufficient continuity to make the scientific study of international politics possible and meaningful.
B) All scholars are in agreement about the superiority of liberalism to Marxism or communism.
C) There are few causal mechanisms at work in world politics.
D) Historical events are random and unpredictable.