About: http://webisa.webdatacommons.org/338732243

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	The late era sort of slavery that the US knew has always seemed more vicious and cruel than the sort of slavery you saw throughout the world such as in Greece and Rome.
http://www.w3.org/ns/prov#wasQuotedFrom	exiledonline.com