<http://webisa.webdatacommons.org/90475143> <http://www.w3.org/ns/prov#wasQuotedFrom> <economist.com> . <http://webisa.webdatacommons.org/90475143> <http://www.w3.org/ns/prov#value> "Primarily because of the Vietnam war, however, we stopped selling high-tech and other equipment to Latin America in 1967-68." . <http://webisa.webdatacommons.org/prov/262514667> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/90475143> . <http://webisa.webdatacommons.org/90475143> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/prov/318912312> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/90475143> .