Assertion: empire's effort | /r/CapableOf | maintain its monopoly
Facets:
value: by sacking its rival ports
type: MANNER
value: in the region
type: LOCATION
Source sentences:
text: A series of Javan-Srivijaya raids on the ports of Champa and Cambodia was also part of its effort to maintain its monopoly in the region by sacking its rival ports.