The origins of the taifas must be sought in the administrative division of the Umayyad Caliphate of Córdoba , as well in the ethnic division of the elite of this state , divided among Arabs , Berbers , Iberian Muslims ( known as Muladíes - the overwhelming majority ) and the Eastern European former slaves .
The reason that taifas developed was that there was an administrative division of the Umayyad Caliphate of Córdoba and also an ethnic division of the elite of this state .