What were the causes of the Black Death, and why did it spread so quickly throughout Western Europe? How did it affect European society? ?

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Black Death was caused by a bacteria called Yersinia petis. This microbe can be manifested and contracted in many ways such as bubonic plaque, septicemic plaque, and pneumonic plaque. It is said that the Great Famine paved way for Black Death due to the weakened population. Black Death spread quickly due to the connective channels use for trading, it effected the seaports and eventually inland by travelers. The connective channels use for trading was the main cause for it to spread rapidly thought Western Europe. In Europe, Black Death effected entire villages which most disappeared at the end of 1353. Cities and towns that were overcrowded and unsanitary were prone to this plaque. It effected Europe’s crops, manufactures, and trade which brought severe economy consequences. It also brought an unstable political situation. Europe was affected till the eighteen century since it continued to erupt in local epidemics. In the space of a few decades it cause 40 to 70 percent of people to die in these effected areas. Black Death change history because it cause some to break faith, brought violence, and economical challenges through many countries