Assertion: castle's lord | /r/CapableOf | design his tower
Facets:
value: to be defensible
type: PURPOSE
Source sentences:
text: During this period, Lords were required to defend their castles by means of mercenaries, rather than the vassals of the earlier feudal system, and Simpson suggested that the Lord of Doune designed his tower to be defensible against his own, potentially rebellious, garrison.