What was the most significant reason for the fall of the Byzantine Empire

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Explanation:

Civil Wars. Probably the most important single cause of Byzantium's collapse was its recurrent debilitating civil wars. Three of the worst periods of civil war and internal infighting took place during Byzantium's decline.

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answer; /// slavery should be outlawed in the new country, was part of the initial draft of the declaration of independence, but not part of the final