Statements (9)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:historical_event
|
| gptkbp:relatedTo |
addiction
public health drug trade opioid epidemic opium |
| gptkbp:bfsParent |
gptkb:Emperor_Daoguang
|
| gptkbp:bfsLayer |
8
|
| http://www.w3.org/2000/01/rdf-schema#label |
Opium crisis
|