Assertion: ming emperor | /r/CapableOf | respond to new threats
Facets:
value: from the north
type: LOCATION
value: in the late 1500s
type: TEMPORAL
Source sentences:
text: Responding to new threats from the north in the late 1500s, the Ming emperors began an 80-year refurbishing of the wall, rebuilding it out of local granite, limestone and fired bricks of clay strengthened with sticky rice.