What did the people of medieval Britain believe caused plague?

* Divine retribution: Many people believed that the plague was a punishment from God for their sins. This belief was based on the idea that God was just and would not allow evil to exist without a good reason.

* Astrological influences: Some people believed that the plague was caused by the alignment of the stars and planets. This belief was based on the idea that the stars and planets had a direct impact on human affairs.

* Environmental factors: Some people believed that the plague was caused by environmental factors, such as bad air or water quality. This belief was based on the observation that the plague often seemed to spread along trade routes and watercourses.

* Contagion: Some people believed that the plague was contagious, meaning that it could be spread from one person to another through direct contact or through contact with contaminated objects. This belief was based on the observation that the plague often spread rapidly through communities.