About: http://webisa.webdatacommons.org/255581073

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	Secondly, slavery was a critical part of the southern economy, which was after all mostly agricultural.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com