About: http://webisa.webdatacommons.org/194476862

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	Monopolies cannot survive market forces without government protection And you posted that knowing that DeBeers was and still is a monopoly.
http://www.w3.org/ns/prov#wasQuotedFrom	phys.org