They were kind of poor, but had almost everything they needed to survive.
They had no relationship only with Persians which made a lot of battles with them
Answer:
It is "Many peasants left the manors that had owned them and moved to cities."
Explanation:
The test's feedback is, "Because the Black Plague hit Europe as people were already suffering from poor diets and inadequate housing, the population was devastated. Peasants were no longer as bound to the land where they were born, and the lords of the manors lacked the resources to track them down, so the moved to a city to make better lives for themselves."
D is the correct answer. Hope I could help.