Answer:
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Explanation:
A. Food surplus made it possible for the upper class (the people with food) to take advantage of the lower class (the people without food).
Answer:
the vanity don't contribute to the fall of the Byzantine Empire or they participated in The Fourth Crusade was conquered bison I'd capital the explanation for this is for centuries of vanity and at special trading rights to the Mediterranean in return for these rights of citizens protected up buy byzanite ships