Assertion: zhou dynasty | /r/CapableOf | extend its power
Facets:
value: by granting authority
type: MANNER
value: over the eastern plain
type: LOCATION
Source sentences:
text: The Zhou court extended its power over the eastern plain by granting authority to members of the royal family and in some cases to favoured adherents, who established walled forts supported by garrison troops among the original habitants of the east.