About: http://webisa.webdatacommons.org/175953349

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	During World War II and for a few years afterward, the requisition of resources for the war made wire and other materials so scarce that the companies could not improve their systems.
http://www.w3.org/ns/prov#wasQuotedFrom	encyclopediaofarkansas.net