In the 14th century, there was a widespread disease called “The Black Plague”, what was the cause of this disease?

Question: In the 14th century, there was a widespread disease called “The Black Plague”, what was the cause of this disease?

Options:

Contaminated Water
An Airborne Fungus
Rat Fleas
A Sexually Transmittable Disease

Correct answer:

Rat Fleas

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