Just like supply chains, too. Look at the Late Bronze Age Collapse ( https://en.wikipedia.org/wiki/Late_Bronze_Age_collapse https://en.wikipedia.org/wiki/Late_B

Just like supply chains, too. Look at the Late Bronze Age Collapse ( https://en.wikipedia.org/wiki/Late_Bronze_Age_collapse https://en.wikipedia.org/wiki/Late_Bronze_Age_collapse ), where a whole cluster of highly interconnected societies all fell at once due at least in part to systemic failures.