About: http://webisa.webdatacommons.org/115396505

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	As it is structured it is prone to failure from such things as an aging population or a work force devasted by war or epidemic, or the continual improvement of health care such that people live alot longer.
http://www.w3.org/ns/prov#wasQuotedFrom	frumforum.com