Answer:
C. Black Death (I think..)
Explanation:
<em>No amount of medical knowledge could help England when the plague struck. It was also to have a major impact on England's social structure which lead to the Peasants Revolt of 1381. Up until recently the Black Death was thought to have been caused by fleas carried by rats that were very common in towns and cities.Mar 5, 2015</em>
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<em>The economic and cultural effect was huge. Cereal production went down by 30 to 50%. There was such a lack of workers that land owners had to make concessions, signing the end of serfdom. French population recovered its previous level only by the second half of the 17th century, two and a half century later.</em>
<u><em>I hope this helps...</em></u>
<u><em>Please mark brainliest!</em></u>
