The answer to this question is b
Writing made Egypts complex civilization possible because with the ability to write they were able to keep records of lots of things such as production, and take censuses. They would also be able to keep construction records which would help them be able to recreate a certain type of technology or a certain type of building.
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Answer:
pope urban called on the christians from all over Europe to retake the holy land from the Muslim Turks
Explanation: