About: http://webisa.webdatacommons.org/124820393

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	Slave importation from Africa became illegal beginning in 1808, despite a growing plantation system in many southern states such as North Carolina and Georgia.
http://www.w3.org/ns/prov#wasQuotedFrom	reference.com