3 ms·
In the same way that a boulder at the bottom of a valley is unlikely to roll downhill.
by bratbag 4y ago
In the same way that a boulder at the bottom of a valley is unlikely to roll downhill.
- inglor_cz 4y agoTo be more exact, primitive societies can still collapse demographically (e.g. through a widespread plague or famine), but they don't have any extra complexity to lose.