About: http://webisa.webdatacommons.org/423551197

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 monopolies of salt, opium, betel and other commodities, were inexhaustible mines of wealth.
http://www.w3.org/ns/prov#wasQuotedFrom	serendipity.li