Assertion: poppy's use | /r/CapableOf | spread through china
Facets:
value: quickly
type: MANNER
value: after the opium wars
type: TEMPORAL
Source sentences:
text: Use of opium spread quickly through China after the Opium Wars; when coolies were imported into the United States to work the California gold fields and, later, build railroads, they brought the drug, and the habit, with them.