About: http://webisa.webdatacommons.org/281989877

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	Someone suddenly thought that slavery was a bad thing - today most of us accept that idea.
http://www.w3.org/ns/prov#wasQuotedFrom	rationalresponders.com