Assertion: empire's state | /r/CapableOf | become with the decline of nri kingdom
Facets:
value: to 17th centuries
type: TEMPORAL
value: in the 15th
type: TEMPORAL
Source sentences:
text: With the decline of Nri kingdom in the 15th to 17th centuries, several states once under their influence, became powerful economic oracular oligarchies and large commercial states that dominated Igboland.