About: http://webisa.webdatacommons.org/158399108

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	After the 1807 act abolishing the slave trade was passed, campaigners switched to encouraging other countries to follow suit, notably France and the British colonies.
http://www.w3.org/ns/prov#wasQuotedFrom	topdocumentaryfilms.com