Assertion: gunpowder | /r/ObjectUse | used by gun
Facets:
Source sentences:
text: Verbal commands could not be heard above the noise of the guns, and visual signals could not be seen through the thick smoke from the gunpowder used by the guns.
text: Gunpowder was initially used in bombs and rockets, and later, it was used in guns and cannons, with Europeans making many advances in the military application of gunpowder during the 15th, 16th and 17th centuries.