That's actually a great question. I don't know about Norway, but in Japan, a good deal of it is due to US influence. We have exported our War on Drugs. See:

That's actually a great question. I don't know about Norway, but in Japan, a good deal of it is due to US influence. We have exported our War on Drugs. See: https://en.wikipedia.org/wiki/Foreign_policy_of_the_United_States#War_on_Drugs https://en.wikipedia.org/wiki/Foreign_policy_of_the_United_S...