The answer is ethnicity. However the race is a difficult way of distinguishing human beings based on physical features such as skin color, ethnicity creates differences out of cultural traits and complexes. In addition, cultural geography discovers the connections of culture with space, place, and landscape. The knowledge of a developing, homogenous global culture is based on the insight of a universal Americanization.
True
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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.