Assertion: castle's moat | /r/LocatedNear | site
Facets:
value: often
type: TEMPORAL
value: to protect against any attack
type: PURPOSE
Source sentences:
text: Moats often surrounded the sites, to protect against any attack from land, and they were further protected by what the historian B. Morley describes as the "defensive paraphernalia developed in the Middle Ages": portcullises, murder holes and reinforced doors.