Weakened by a (caused by:: pandemics) deadly pandemics - decimated the roman army ^84e4a5
fall-of-the-roman-empire
- ref_the-history-of-the-decline-and-fall-of-the-roman-empire_edward-gibbon
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pandemics
instance:: covid caused:: fall-of-the-roman-empire implied in:: covid
- History and World Order