Assertion: fortress's wall | /r/CapableOf | offer little resistance
Facets:
value: to the cannons of the time
type: OTHER
Source sentences:
text: A well-preserved example of this is the Spitalbastei in Rothenburg or the bastions built as part of the 17th-century walls surrounding Derry, a city in Northern Ireland; however, at this stage the cities were still only protected by relatively thin walls which could offer little resistance to the cannons of the time.