Answer:
Explanation: The plaque, named the Black Death by later historians, had a devastating effect on the European population in fourteenth century.
: The bubonic plague- named the Black Death by later historians was caused by the yersinia pest is bacteria, which livedin rodent populations and was spread by fleas that had bitten infected animals.
: It is difficult to measure the exact human cost of the plague due to limited records from the historical period.