About: http://webisa.webdatacommons.org/291292913

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	Especially as both deal with difficult subjects (climate change science and the opium wars, respectively), failure was a real possibility.
http://www.w3.org/ns/prov#wasQuotedFrom	museumsandtheweb.com