@prefix n9j: <http://data.loterre.fr/ark:/67375/N9J> .
@prefix isothes: <http://purl.org/iso25964/skos-thes#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .

n9j:-laws
  a isothes:ConceptGroup ;
  skos:prefLabel "laws"@en ;
  skos:member n9j:-WR7Q7B37-S .

n9j:-WR7Q7B37-S
  owl:sameAs <https://concepts.sagepub.com/social-science/concept/Opium_Poppy_Control_Act> ;
  skos:definition "Before World War II, few people in the continental United States grew the poppy seeds from which opium is cultivated. America imported poppy seeds from Europe, particularly from the Netherlands and Poland. [Source: Encyclopedia of Drug Policy; Opium Poppy Control Act]"@en ;
  a skos:Concept ;
  skos:inScheme n9j: ;
  skos:broader n9j:-F2SWBWM8-6 ;
  skos:prefLabel "Opium Poppy Control Act"@en .

n9j:-F2SWBWM8-6
  skos:prefLabel "drug laws and policies"@en ;
  a skos:Concept ;
  skos:narrower n9j:-WR7Q7B37-S .

n9j: a skos:ConceptScheme .