Answer:
serfdom, condition in medieval Europe in which a tenant farmer was bound to a hereditary plot of land and to the will of his landlord. The vast majority of serfs in medieval Europe obtained their subsistence by cultivating a plot of land that was owned by a lord. This was the essential feature differentiating serfs from slaves, who were bought and sold without reference to a plot of land. The serf provided his own food and clothing from his own productive efforts. A substantial proportion of the grain the serf grew on his holding had to be given to his lord. The lord could also compel the serf to cultivate that portion of the lord’s land that was not held by other tenants (called demesne land). The serf also had to use his lord’s grain mills and no others.
Explanation:
https://www.britannica.com/topic/serfdom
The answer I would have to go with would be B. foreign trade was booming
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Answer
The problems the church faced during the invasion of the magyars and vikings include:
1. Simony: This involves selling church properties and sacred items.
2. Lay investiture: This deals with appointment of religious leaders by traditional rulers
3.Clerical marriage: Allowing clergymen to marry and it is different from allowing married men become clergy.
4.Celibacy: Abstaining from intimate activities.
5.Abuse of power in the hands of lay rulers.
They set up base from the atlantic to the mississippi river, stretching from canada to the gulf of mexico