Answer:
it would be A) The Ottoman Collapse caused a lack of political unity in the region
I believe the answer is: polygyny
polygyny refers to a form of poligamy in which one male have more than one female partner/mates.
From all forms of poligamy, polygyny is the most common to be found in the world, especially in middle eastern countries.
The answer to your question is A bit there is a possibility it is D
Well, both of them have a head of government, both run off of constitutions, and often constitutional monarchies have elected officials similar to a republic.