Btw I had this question on a study guide so i know the answer. Cause had to study this question for the test and the other questions lol.
Herion was also found to be twice as potent as morphine in surgical anestesia.Morphine is converted into herion by a simple chemical.
2 answer: Opium cultivation and trade flourishes
in the Shan states.1948 through 1972, corsican gangsters dominante in the U.S herion market.
There you go, hope this helped you