What was one factor that eventually led to the demise of the Tang Dynasty?

The An Lushan Rebellion was a devastating rebellion against the Tang dynasty of China; it significantly weakened the dynasty. The power of the jiedushi, or provincial military governors, increased greatly after imperial troops crushed the rebels, taking administrative power away from the scholar-officials.

Explanation:

nuclear fission produces the atomic bomb, a weapon of mass destruction that uses power released by the splitting of atomic nuclei the fighting in iwo jima and okinawa affected the allies' pacific strategy because truman decided to drop the atomic bomb on mainland japan.