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I know opinions will probably differ on this but is there any generally accepted way of dealing with butterflies, if say, a POD effects central Asia or Croatia or something before intercontinental contact? I was considering a different post-Roman world with a pod in the early 500's, and I wondered where that leaves the Americas. A literal and physical interpretation of the butterfly effect would imply that there might be significant changes across the ocean as well (or perhaps I'm misunderstanding/overthinking it?) As far as I can tell there wouldn't be any way of accounting for something like that without resorting to guesswork.
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