Respuesta :

jayden916
Slaves and peasants were dying quickly and vastly caused a high loss of work for the upperclass civilians... the peasants could go on "stike". They were able to demand more turning the system on its head.
Foofoobug
well the bubonic plague or black death wiped out 1/3 of the population which effected the feudal system since it was worked by serfs and peasants.
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