About: http://webisa.webdatacommons.org/178238621

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 recently passed Fugitive Slave Act of 1850 had ensured his vulnerability to recapture, for crossing a state line was no longer sure protection: those who captured fugitives would be rewarded and harboring refugees was a crime.
http://www.w3.org/ns/prov#wasQuotedFrom	barnesandnoble.com