I'm not sure about that but what I can tell you now is that we have amazingly progressed on weapons of mass destructions now which are definitely hundreds of times more fatal than those used in WWII. The question is, are we ready to jeopardize billions of lives that exist right now and destroy our future generations before they even exist?
I think people are not bad anywhere in the world. Its the government inciting us all the time, using patriotism to attach strings to us and make us their puppets. I still feel if people started fighting their own governments instead of fighting the rest of the world, the world would be more peaceful.