About: slave trading

Premodifier: slave
Head noun: trading

Same concepts
http://dbpedia.org/resource/History_of_slavery

Broader concepts

label	provenance	confidence
activity	isap:44706483	0.638954
sin	isap:508865202	0.395865
commerce	isap:45501508	0.225160

Narrower concepts

label	provenance	confidence