You will have multiple answers, the following are:
1. Historians with different perspectives
2. Historians with different points of view
3. Historians with varying personal biases
4. Historians with different interests of cause and effect
Hope this helps! Good luck!
The Russian Empire was compromised of a vast amount of lands, so subsequently there are dozens of different ethnicity's across it including the Bashkirs, Yakuts, Nogais, and etc.
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.
I hope this helped you