Assertion: caliph | /r/CapableOf | cope turkish `slave soldiers`
Facets:
value: at the heart of the empire
type: LOCATION
Source sentences:
text: Some of the provinces were already becoming independent in all but name, and at the heart of the empire, the caliph had to cope with the increasing power of a new military force, Turkish `slave soldiers` drawn from the lands of the Central Asian steppe, force that in later decades contributed substantially to the political and economic weakness of the Abbasid state.