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It is obvious that humankind has arrived at a crucial turning point in its long history. Nuclear war could terminate the whole human enterprise. But even if this catastrophic ending can be avoided, it is by no means certain that the essential conditions for the survival and development of civilized society as we know it today will continue to exist.This article can also be found at the Monthly Review website, where most recent articles are published in full.Click here to purchase a PDF version of this article at the Monthly Review website.
Paul M. Sweezy (Wed,) studied this question.