About: http://webisa.webdatacommons.org/183514132

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	So the only place where other groups of people could legally purchase slaves was Africa, which was and is a Black continent.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com