About: http://webisa.webdatacommons.org/354052256

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	Douglass came to agree with Smith and Lysander Spooner that the United States Constitution was an anti-slavery document.
http://www.w3.org/ns/prov#wasQuotedFrom	sensagent.com