Assertion: distance | /r/HasProperty | vital
Facets:
value: at sea
type: LOCATION
value: to survival
type: PURPOSE
value: historically
type: TEMPORAL
value: to successful navigation
type: PURPOSE
Source sentences:
text: Historically, the distance to the visible horizon has long been vital to survival and successful navigation, especially at sea, because it determined an observer's maximum range of vision and thus of communication, with all the obvious consequences for safety and the transmission of information that this range implied.