Describe the main achievement of the Ummayad caliphate?

1.	Describe the main achievement of the Ummayad caliphate?
Answer» The\xa0Empire\xa0expanded across North Africa and then across the Strait of Gibraltar and into the Iberian Peninsula. They also expanded the\xa0empire\xa0east into central Asia. The\xa0Umayyads\xa0are known for establishing Arabic as the official language of the\xa0empire. They also established a common coinage.

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