About: http://webisa.webdatacommons.org/367848466

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 Crusades were a reaction to five centuries of Jihad conquest, the fact that they had almost overrun Constantinople and the harassment and murder of Christian pilgrims to Jerusalem.
http://www.w3.org/ns/prov#wasQuotedFrom	economist.com