Which of these was responsible for the deaths of millions in the 500s CE? A.) war
B.) disease
C.) Islamic invasion
D.) economic collapse

B.Disease

Explanation:

Because people weren't immune to these new diseases which was a cause of big death rate during that era.

sir thomas more, venerated in the catholic church as saint thomas more, was an english lawyer, social philosopher, author, statesman, and noted renaissance humanist. he was also a councillor to henry viii, and lord high chancellor of england from october 1529 to 16 may 1532.

probally   a few days after there called