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What Caused The Black Plague

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The black was a bubonic diseases that spread from fleas on rats which is called yersinia pestis. This disease called the black plague is very deadly and has no cure which caused a lot of fear. It started in China and then spread to Europe in 1347 killing two thirds of their population in five years. Some of the symptoms were a black tongue, acral necrosis and swollen nodes, also the black plague caused a really bad smell which they tried to use herbs to help get rid of the smell. Some people used the black plague to their advantage by using this tactic called biological warfare in wars which means they basically killed their opponents by germs they did this by shooting those affected by the black plague at their opponent causing them to get

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