Here is the listing:
Kings{Leaded the Monarchy(Born as a prince)},Clergy{In some places Pope was over the king(Pope/ religous leadership)},Nobles(Born into a life of nobility),Knights(Noble/doesnt have to be by birth),Merchants,Artisans,Serf
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O Head of state
Answer: this is on edge right
Explanation:
When their food, AKA the animals moved or died around the area