On Edgenuity the answer for me was: C. Distrust
The Pyrenees mountain range.
The answer is a, he miscalculated, since the Americas hadn't been discovered by europeans (the native americans were there first) they did not account for america in their calculations
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