About: http://webisa.webdatacommons.org/338883473

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 large waves of immigrants from Poland, Czechoslavakia, Hungary, Russia, the Ukraine, and other Eastern European states did not come until after America's Civil War.
http://www.w3.org/ns/prov#wasQuotedFrom	netposterworks.com