Who killed 60% of europe population during the last
century of dark ages

The Black Death was a devastating global epidemic of bubonic plague that struck Europe and Asia in the mid-1300s

Explanation:Proximate causes of the population decrease include the Antonine Plague (165–180), the Plague of Cyprian (250 to c. 260), and the Crisis of the Third Century. European population probably reached a minimum during the extreme weather events of 535–536 and the ensuing Plague of Justinian (541–542).

the awnser is a

it is not b or c