About: http://webisa.webdatacommons.org/420245093

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	Indicator: Define trade barriers, such as quotas and tariffs. (Government)
http://www.w3.org/ns/prov#wasQuotedFrom	teachinghistory.org