About: http://webisa.webdatacommons.org/385251252

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	Shortages of resources caused by World War II led to quotas and laws designed to force conservation, including rubber that was produced overseas and difficult to get.
http://www.w3.org/ns/prov#wasQuotedFrom	sabahforum.com