About: http://webisa.webdatacommons.org/158419730

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	Immigration, of course, was a very important factor that also threatened, in the minds of many Americans, that disrupted the older patterns of the social order.
http://www.w3.org/ns/prov#wasQuotedFrom	pbs.org