Answer: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.
Explanation:
The best and most correct answer among the choices provided by your question is the second choice or letter B
The Soviet Union greatly influenced Poland's and other Central Europe's government form which changed<span> from authoritarian political systems to more democratic ones.</span>
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Ok well its Indonesian and is very weird but, it says "In your locals, why is it banned from expanding the crumbs nowadays. There must be 5 answers."
The impact was most severe in the Caribbean, where by 1600 Native American populations on most islands had plummeted by more than 99 percent. Across the Americas, populations fell by 50 percent to 95 percent by 1650.
Theyre related because the canterbury tales and the canterbury cathedral happened in region