How did the Umayyad empire fall?

The last Umayyad, Marwān II (reigned 744–750), was defeated at the Battle of the Great Zab River (750). Members of the Umayyad house were hunted down and killed, but one of the survivors, ʿAbd al-Raḥmān, escaped and established himself as a Muslim ruler in Spain (756), founding the dynasty of the Umayyads in Córdoba.

Explanation:hope this helps

They were hunted and killed

Explanation:

4 copper and gold, the california gold rush is why im pretty sure.

answer; i believe the correct answer is (desert storm);