religious, astrological, and supernatural factorsinsect vectorslack of cleanlinessa comprehensive germ theoryWhat did most medieval people believe was the cause of the Black Death?Elon.io is an online learning platformWe have an entire course teaching World History 1 grammar and vocabulary.Start learning World History 1 nowYour questions are stored by us to improve Elon.ioYou've reached your AI usage limitSign up to increase your limit.