The Marijuana Tax Act of 1937 rendered marijuana illegal and in 1941 it was deleted from the U.S. Pharmacopoeia , an official compendium of drugs,
A.
( ■ ) In addition the Controlled Substances Act ( CSA) of 1970 classified marijuana as one of the most dangerous drugs and banned to be legally cultivated in the United States.
B.
( ■ ) Drugs which have a high potential for abuse is classified as Schedule l drugs and cannot be used with medical purposes.
C.
( ■ ) Marijuana, heroin, opiates and hallucinogens belong here.