What Would Happen If Three-Quarters of the Opium Crop in Canada

What would happen if three-quarters of the opium crop in Canada was destroyed?

A) The War on Drugs would end with a victory for law enforcement, since the drug world could no longer operate with such a small crop.
B) The drug trade would still exist, since the crop would still be large, and users would be willing to pay more for their drugs.
C) The government would be able to rest easy, since opium derivatives are the major drugs of choice.
D) The government and law enforcement would need to consider that wiping out that much of one drug can lead to increased use of another drug.