The correct answer is D. Barbarian Invasions
Explanation
Medieval Europe, can be understood as Middle Age a period from V century before Christ to XV century after Christ. It was characterized by the leading of the christian religion in Europe, every subject in the daily life was controled by the religion and christian belivings. Additionally this age was afected by the black plague epidemic, bloody wars like "Hundred Years War", The crusades, and more conflicts between kingdoms with differents motivations. Middle Age started in Europe when the Barbarian Invasions caused the fall of Roman Empire added to the growing of the Christianism. According to the above, the correct answer is D. Barbarian Invasions, becauses this did not lead to the end of Medieval Europe.
It is A<span>. the protection against monopolies and oligopolies
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