Answer:
Themselves
Explanation:
Due to the large territory they occupied, that degraded the chain of command and the decisions were taken not in a wise way.
I believe the correct answer is A
The best answer choice would be A.
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.
Idek sadly but i hope you find ur answer
