 The parallel failure of the caliphal armies in the east brought no fiscal relief from Damascus.The zeal of the Umayyad tax-collectors finally broke Berber patience.It is reported that following Ubayd Allah ibn al-Habhab's instructions to extract more revenues from the Berbers, Omar ibn al-Moradi, his deputy governor in Tangiers, decided to declare the Berbers in his jurisdiction a "conquered people" and consequently set about seizing Berber property and enslaving persons, as per the rules of conquest, the "caliphal fifth" was still owed to the Umayyad state (alternative accounts report he simply doubled their tribute).