Assertion: tear gas | /r/ObjectUse | used by police states
Facets:
value: as a nonlethal method
type: MANNER
Source sentences:
text: The 1993 Chemical Weapons Convention, ratified by all but four UN member states, required nations to renew that promise with an enormous caveat: Tear gas could be used by police states as a nonlethal method of quelling "rioters.