Assertion: methamphetamine | /r/CapableOf | become illegal
Facets:
value: during the 1970s
type: TEMPORAL
Source sentences:
text: During the 1950s, meth was marketed as a diet pill, and antidepressant in the U.S. Meth became illegal during the 1970s after the U.S. government realized the dangerous and addictive effects of this substance.