About: http://webisa.webdatacommons.org/142465422

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	During that whole period, slavery was an integral part of the U.S. economy and social system, and slave owners were an integral and powerful part of the governing system in the country as a whole.
http://www.w3.org/ns/prov#wasQuotedFrom	revcom.us