Answer: During the civil war between the caliph Abd al-Malik and Ibn Zubayr, who controlled Mecca, the Kaaba was set on fire in 683 . Reportedly, the Black Stone broke into three pieces and Ibn Zubayr reassembled it with silver
Explanation:
As a new center for industrial development.
Hope this helps,
Davinia.
I heard this answer but i don't remember
After ww1 in the treaty of versailles germany was left with lots of debts