There are many societies that don't wind down gradually, but they build up -- get richer and more powerful -- and then within a short time, within a few decades after their peak, they collapse.
Postoje mnoga društva koja ne propadaju postupno, već se izgrađuju, obogaćuju, postaju moćnija, a onda za kratko vrijeme - nekoliko desetljeća nakon vrhunca – kolabiraju.