Can you guys help me with this? pls?

I-i rlly don't understand...

Astudy of the generalization most clearly supports the generalization a. differing religious beliefs have been a source of conflict b. as the culture of the middle east developed very little was borrowed from other countries c. the nations of the middle east have long played a dominant role in world affairs d. the people of the middle east have generally adopted the ideas and values of western culture