About: http://webisa.webdatacommons.org/18545618

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	Kennedy announced this policy on the evening of Oct. 22, after Congress, NATO, and other allies were briefed and an ultimatum served to the Soviets and Cubans.
http://www.w3.org/ns/prov#wasQuotedFrom	defensemedianetwork.com