The correct answer is A) Trade decreased as manors allowed small kingdoms to become economically self-sufficient.
The manorial system impacted Europe's economic development in that Trade decreased as manors allowed small kingdoms to become economically self-sufficient.
The image depicts a feudal manor in Europe during the Middle Ages. During these dark moments of Medieval time in Europe, the economy of the continent was based in the feudal system. The lord and the owner of the land and people worked for that landlord in exchange for housing and some food. The peasants lived under the protection of the lord and they have to be their servants.