They discovered socialism
There are a thousand-odd cultures, societies, or lands that faded away....each for a different reason. In the cases of most....they simply transformed into something more or something lesser.
In the case of Egypt’s Kingdom....they needed to be able to take on any invader or threat, and they simply didn’t have the power to ensure that.
I also think commercial power (banking, trade, wealth, etc) eventually grew to be a weakness in their case. Rome stayed in a strong state as long as they were the central theme for all trade in the region. When they lost their ownership and control....they weren’t able to stay in control.
What will our mark on humanity be?
My love’s bigger than a Cadillac.
Death by sclerosis happens an awful lot more frequently than the apocalypse.
From the article: climate data revealed that a severe and long-term drought afflicted the region during this same time, providing evidence of an environmental trigger
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Man made global warming. Obviously.
The ET’s left.
Remember that when you have mass movements of people you have a reason find it and you have the solution for the collapse.
In the article: long after Pepi II, traditionally considered the last Old Kingdom pharaoh.
They skipped https://en.wikipedia.org/wiki/Merenre_Nemtyemsaf_II and possibly https://en.wikipedia.org/wiki/Netjerkare_Siptah that are regarded as the last (or the last two) of the https://en.wikipedia.org/wiki/Old_Kingdom_of_Egypt
Perhaps they have another tradition?
Old kingdoms never die; they just fade away . . . . . . . . .
