The End of the Jihad State

The Reign of Hisham Ibn 'Abd al-Malik and the Collapse of the Umayyads

Demonstrates for the first time that the cause of the Umayyad caliphate's collapse came not just from internal conflict, but from a number of external and concurrent factors that exceeded the caliphate's capacity to respond.

Qays al-'Abdl, probably a local officer who was only interim governor very briefly.
He is mentioned only by Ibn Khayyat and, as a member of the Rabl'a would never
have received an appointment from Yusuf b. "Umar, Khalid al-Qasn's extreme
Qaysl successor. 'Abd Allah's official successor, who arrived to take office in
Rajab 120/July 738, was Ibrahim b. 'Asim al-'Uqayll, a Qaysl Jaziran commander
who had been with Asad in Khurasan. Ibrahim arrested Ibn Abl Burda and
packed off ...