Answer: I think that all of the new types of weapons is really what prohibited a World War III. I think that World War III was stopped because the leaders of many nations and the leaders of the UN knew what kind of destruction these weapons could cause. These leaders knew the damage that was done in Japan by the United States. Also, with the whole world were to be involved and dropping nuclear bombs, the world would be completely destructed. Also, many countries decided to solve their problems diplomatically in the United Nations. Through these negotiations, the United States and USSR were able to stop the Cuban Missile Crisis.
