terrorism http://id.loc.gov/authorities/subjects/sh85134112 http://purl.bioontology.org/ontology/MESH/D023481 http://purl.bioontology.org/ontology/SNOMEDCT/257877007 https://homosaurus.org/terms/terrorism E979-E979.9 HV6430-HV6433 The use or threatened use of force or violence against persons or property in violation of criminal laws for purposes of intimidation, coercion, or ransom, in support of political or social objectives. Y38 act of terrorism political terrorism terror attack terrorist act terrorist attack terrorist incident political violence by type