They built a wall around the city to keep out invaders
Answer: Gold
Explanation: "Spanish explorer Francisco Pizarro heard rumors of an empire to the south that had large amounts of gold."
Did you get these answers? I'm also curious. I think the first in Vandals, but idk about the second one.
The Abbasid capital was moved from Damascus, Syria to Baghdad, Iraq, during Al-Mansur's rule
