Well, if 90% of your population is high and unproductive, that makes you ripe for invasion. There's a difference between fixing a problem collapsing society an

Well, if 90% of your population is high and unproductive, that makes you ripe for invasion. There's a difference between fixing a problem collapsing society and targeting groups to punish them for your own gain. More at http://en.wikipedia.org/wiki/Opium#Prohibition_and_conflict_in_China http://en.wikipedia.org/wiki/Opium#Prohibition_and_conflict_... and http://en.wikipedia.org/wiki/Opium_Wars http://en.wikipedia.org/wiki/Opium_Wars and http://www.pbs.org/wgbh/pages/frontline/shows/heroin/etc/history.html http://www.pbs.org/wgbh/pages/frontline/shows/heroin/etc/his...