About: http://webisa.webdatacommons.org/437865020

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 spread of slavery; that a U.S. citizen could take his property, including slavery, to any American territory; and that slavery could only be prohibited in a territory by popular vote.
http://www.w3.org/ns/prov#wasQuotedFrom	mo.gov