PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The 1921 Emergency Quota Act incorporated a cap on the number of immigrants allowed from each country, drastically reducing the number of immigrants in such a way as to prevent Southern and Eastern Europeans from entering, particularly Jews, Italians, and Slavs. The cap was lowered and made permanent in 1924 by the National Origins Act.
http://www.w3.org/ns/prov#wasQuotedFrom
  • mapsofworld.com