Szukana fraza: [Abstract = "The population movements \(merchants or forces\) were often the cause of the spread of infectious diseases\: dysentery, typhoid fever, diarrhea, typhus, or the most dangerous of them \- the plague. The most exposed were the weakest organisme, so children and elderly people. Extreme weather \(thunderstorms with hail, early frosts, drought\) and plagues of insects occurred frequently. Destruction of crops meant high prices and, as a consequence, the risk of hunger and malnutrition."]

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