Rats and fleas would spread the plague to people. When people made contact with someone else it would spread to them.and continue spreading
The bubonic plague originated in China and later spread to Europe and Asia.
The Church’s power went down because lol their methods to help the ill, they prayed did marches etc. Obviously these methods didn’t work and it weakened the confidence people had in the church. This weakened the church and there was very few priest to maintain their services
The bubonic plague gave people fevers, headaches, vomiting. It also made people feel weak and it gave them painful lymph node.
Most of the people who were infected by the plague died. This made population go down by 40%-60%.
When people started dying from the Black Plague it cause labor shortage and effected families and royals as well