Leon County
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Its basic tenet is that no single European power should be allowed to achieve hegemony<span> over a substantial part of the continent and that this is best curtailed by having a small number of ever-changing </span>alliances<span> contend for power, it also meant that none should be able to achieve absolute power.</span>
Answer:
Hulagu Khan
Explanation:
Hulagu Khan was known for the Mongol catastrophe during the invasion of the Abbasid caliphate in 1258.
Many people immigratedand it gave everybody more people to work with, therefor driving production up tremendously
