Assertion: caliph | /r/CapableOf | begin incorporating armies of turks
Facets:
Source sentences:
text: Thus during the reign of Abu Mansur Nizar al-Aziz Billah and Al-Hakim bi-Amr Allah, the Caliph began incorporating armies of Turks and, later, black Africans (even later, other groups such as Armenians were also used).