Provocation of suicide. World has gone mad? Secrets of development

In 1990-1991 A strange, still inexplicable phenomenon has occurred in the world. Almost simultaneously, several dozen countries began a suicidal policy to destroy their own economy and their own people. Most of their industry and agriculture were destroyed, a significant part of the people was left without work and means of existence.
And all this happened without any external military influences on these countries: without a single shot, without a missile bomb, without the occupation of their territories, without any other types of military aggression. Why did this happen? The author is a member of the New York Academy of Sciences gives a true realistic explanation of this mysterious phenomenon