About: http://webisa.webdatacommons.org/342364535

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	By the late 18th cent. traders (including Arabs, Swahili, and other Africans) had penetrated the region from both the Atlantic and Indian Ocean coasts; they exported copper, wax, and slaves.
http://www.w3.org/ns/prov#wasQuotedFrom	questia.com