About: http://webisa.webdatacommons.org/402599276

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	In the early 20th century, the use of certain drugs among blacks, especially marijuana, led to calls for their criminalization.
http://www.w3.org/ns/prov#wasQuotedFrom	rationalwiki.org