About: http://webisa.webdatacommons.org/338546852

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	While Psi is a unit type, it is also a Promotion that all units within this type get.
http://www.w3.org/ns/prov#wasQuotedFrom	civfanatics.com