Answer: They created a strong, unified Muslim kingdom with Cordoba as its capital.
Explanation:The revival of the Umayyad Caliphate in Al-Andalus (what would become modern Spain) was called the Caliphate of Córdoba, which lasted until 1031. The period was characterized by an expansion of trade and culture, and saw the construction of masterpieces of al-Andalus architecture.
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Ethno-nationalism is the name given to a nation when all of its citizens are ethnic. It is ruled by the rule that " nation is made by shared heritage " and they usually follow common language with same religion and same ethnic heritage ancestry. They take care of the knowledge of their ancestors and work as a strong force and donor fight among them self.