About: http://webisa.webdatacommons.org/406873226

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	The social security system, which expanded rapidly during the prosperous 1950s and 1960s, includes a medical system, unemployment insurance coverage, child allowances, invalid benefits, and other benefits and pensions.
http://www.w3.org/ns/prov#wasQuotedFrom	state.gov