Aform of government in which the people rule,either directly or through elected representatives

democracy

Explanation:

The Black Death hit the culture of towns and cities disproportionately hard, although rural areas (where most of the population lived at the time) were also significantly affected. ... Cities were also strikingly filthy, infested with lice, fleas, and rats, and subject to diseases caused by malnutrition and poor hygiene.

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