About: http://webisa.webdatacommons.org/126419124

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	You can create the 'perfect' society (such as the Ancient Mayan civilization) but then an external shock such as climate change, war, invasion, migration etc. will disrupt everything.
http://www.w3.org/ns/prov#wasQuotedFrom	bogleheads.org