About: http://webisa.webdatacommons.org/29446275

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	In the course of the ninth century, the forces which were making for feudalism tended to produce inherited fiefdoms as the only way to ensure stability, especially in the face of renewed external aggression in the form of Viking attacks.
http://www.w3.org/ns/prov#wasQuotedFrom	kids.net.au