About: http://webisa.webdatacommons.org/328490273

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	Compulsory heredity of calling was extended from agriculture to soldiers, bakers, civil servants, and others, in a kind of caste system devised to cope with the shortage of manpower caused by the epidemics and wars of the third century.
http://www.w3.org/ns/prov#wasQuotedFrom	myromeapartment.com