Answer:
Correct answer is B. hostility between Christians and Muslims
Explanation:
A is not correct as this was actually a good effect of those wars, as the Silk Road was flourishing in that period.
B is the correct answer as those wars started a period of religious turbulences between two religion, that exist even today.
C is not correct as feudalism disappeared in the meanwhile.
D is not correct as the role of the Pope was not as stronger as it was before the Crusades and after them. They lost a lot of authority.
Yams and cassava, hope it helps
I think the move would be considered typically as a promotion. The problem has not mentioned any transfer of company or workplace, just more responsibility and an increase in compensation. The most important keywords here are the "increase in compensation". That would definitely mean a promotion.