The Plague: Causes and Effects
8th Grade · Social Studies · 30 min
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Learning Objective
I can describe the causes and effects of the plague.
- 1
Plague is caused by the bacterium Yersinia pestis and mainly affects rodents, spreading via insects.
- 2
Three factors that contributed to the spread of plague pandemics were international trade, urbanization, and a lack of medical knowledge.
- 3
The discovery of the bacteria behind the plague outbreaks in 1894 led to advancements in microbiology, medicine, urban planning, and sanitation methods.
