Assertion: obstacle | /r/CapableOf | employ previous
Facets:
value: in order to inflict losses
type: PURPOSE
value: in the course of military action
type: TEMPORAL
Source sentences:
text: man-made obstacles and barriers employed previous to or in the course of military action in order to inflict losses on the enemy and prevent the advance or maneuver of his troops on land and of his ships and other waterborne means on the water and to hinder flights by aircraft in the airspace close to the ground and landings by airplanes (or helicopters) on the ground.