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The use of the Carolingian script brought cultural unity to the Carolingian Empire.

Explanation:

Before the awareness regarding the use of the Carolingian script was disseminated in the Carolingian Empire, different parts of the empire used different scripts in their day to day lives. After the emperor made special efforts for the spread and use of Carolingian script in daily routine throughout the empire, the use of Carolingian script gradually increased. This contributed to the cultural unity of the empire.

A. flexibility in religious services