Question

What was the primary reason the Plague spread?

Bites from fleas
O Mongolians attacking people
O Merchants sailing
The Church building monasteries

Answer 1

The primary reason the Plague spread was bites from fleas that were infected with the Yersinia pestis bacterium.

Step-by-step explanation:

The primary reason the Plague spread was bites from fleas that were infected with the Yersinia pestis bacterium. The fleas typically infested rats, which were common in many parts of medieval Europe during the time of the plague. The fleas would bite the infected rats, and then go on to bite humans, spreading the disease.

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