Answer:
How will the world end? If we accept the conclusions of Childhood’s End, instead of a nuclear holocaust we will expect to see a Golden Age, during which all world crises will be resolved and all social problems will evaporate, followed by a final cataclysm triggered by a source from which we least expect it. (I'm wrong please inform it to me)
The answer is C.Catalyst
Catalyst is a Greek word "katalusis",
Hope i Helped ^_^
