The Comprehensive Drug Abuse Prevention and Control Act is passed. Medical research continues. Lebanese red and blonde hashish of very high-quality exported. The highest quality Turkish hashish from Gaziantep near Syria appears in western Europe. Early 1970s Afghani hashish varieties introduced to North America for sinsemilla production.
Westerners bring metal sieve cloths to Afghanistan.
1973 Afghan government makes hashish production and sales illegal. Afghani harvest is pitifully small. 1975 FDA establishes Compassionate Use program for medical marijuana. 1976-1977 Quality of Lebanese hashish reaches zenith. 1978 Westerners make sieved hashish in Nepal from wild Cannabis.