The correct answer among all the other choices is A. the revival of democratic revolutions, and nationalism. This is a factor that caused German and Italian unification. Thank you for posting your question. I hope this answer helped you. Let me know if you need more help.
Answer:
The Ottoman Empire
Explanation:
The Ottoman Empire took over Byzantine Empire which is Greeks mainland
I'm not 100 percent I'm say your answers b
Answer:
<em>B. The necessity of a strong religious belief in a turbulent society.</em>
Explanation:
It's kinda like an educated guess.