How did the Black Death cause economic upheaval?

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Explanation:

The plague had an important effect on the relationship between the lords who owned much of the land in Europe and the peasants who worked for the lords. As people died, it became harder and harder to find people to plow fields, harvest crops, and produce other goods and services. Peasants began to demand higher wages.

workers should be given a fair share of the wealth their work creates

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explanation: