About: http://webisa.webdatacommons.org/227564712

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	At around the same time, trade routes linking the kingdom of Ghana to Alexandria and Baghdad ensured the steady supply of gold to the Islamic Empire and salt and other products to the people of Ghana.
http://www.w3.org/ns/prov#wasQuotedFrom	gov.vg