About: http://webisa.webdatacommons.org/388350148

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	Mexico had been exempted from the immigration restrictions of the 1920s, and as a result, hundreds of thousands of Mexicans came to the United States, mostly to the Southwest.
http://www.w3.org/ns/prov#wasQuotedFrom	dummies.com