Assertion: narcotic | /r/CapableOf | cross mexican border
Facets:
value: throughout the 20th century
type: TEMPORAL
Source sentences:
text: Throughout the 20th century, narcotics other than cocaine also crossed the Mexican border, meeting the US demand for alcohol during the 1920s Prohibition, opiates in the 1940s, marijuana in the 1960s, and heroin in the 1970s.