In the previous installment of this series, I covered some of the concepts associated with collapse as they relate to demographic-structural theory (DST), as well as what might be expected after collapse. In this article I’d like to discuss the effect of several external factors as they impinge upon the process of secular cycles and collapse. These factors include migration, invasion, and trade networks – all things that involve “outsiders” or “the other” as they relate to a polity or civilisation.
The western Roman Empire is the prototypical example of collapse and regeneration, to be sure. It is probably the single most well-documented ancient collapse, and the psychological impact that it had on those who followed it was profound.
It is also one of the best examples of the various types of “diversity” and…
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