Respuesta :
Answer:
1) Lack of Sanitation - Contributor
2) Increase of rats and fleas - Contributor
3) ineffective treatments - Contributor
4) Decreased Population - Effect
5) Decline in the feudal system - Effect
6) boom in the economy - Effect
Answer:
1) Lack of Sanitation - Contributor
2) Increase of rats and fleas - Contributor
3) ineffective treatments - Contributor
4) Decreased Population - Effect
5) Decline in the feudal system - Effect
6) boom in the economy - Effect