About: http://webisa.webdatacommons.org/28399009

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	Price controls emerged in virtually all countries, including the US, during World War II and other wars, when many products were in reduced supply.
http://www.w3.org/ns/prov#wasQuotedFrom	becker-posner-blog.com