According to International Relations Scholars, Has the Spread of Nuclear

According to international relations scholars, has the spread of nuclear weapons increased the probability that an all-out war will occur someday?

A) Scholars agree that more nuclear weapons mean that deterrence is more effective, making wars less likely to break out.
B) Scholars agree that proliferation makes the world less safe because war could more easily break out accidentally.
C) Scholars disagree on the correct answer to this question.
D) Scholars have not yet addressed this question.
E) Scholars believe all countries will soon disarm their nuclear weapons.