About: http://webisa.webdatacommons.org/312461606

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 slave trade becomes more popular after the Europeans, especially the Portuguese and the British, arrived in America and Africa after the industrial revolution in 15th century.
http://www.w3.org/ns/prov#wasQuotedFrom	brainia.com