Assertion: fortress's tower | /r/HasAspect | the purpose
Facets:
value: to ensure communication
type: PURPOSE
value: for approaches to them
type: PURPOSE
Source sentences:
text: The towers had the purpose of: a) for longitudinal shelling of the fortress walls and approaches to them; b) to ensure communication with the field; c) as safe premises for troops and used in the defense of vehicles; thus, the towers were a kind of strongholds of the fortress fence.