Japan was not officially colonized by Western powers but was itself a colonizer. It is an island country and has a strategically important position in the pacific ocean. It is a vital access point to other Asian countries. Western colonial ambitions had always kept an eye for it but never got its full control. Nevertheless, it has undergone formal semi-colonial circumstances, and Western colonialism has deeply affected modern Japan in several respects.
The production of heroin from the Golden Crescent has the purpose of supplying the European market mostly. Afghanistan is the country that produces the most opium in the world.
According to the Drug Enforcement Administration (DEA), most of the heroin sold in the USA comes from Mexico and some South American countries, such as Colombia.
Communist schools benefited the state and the communist parties because the schools educated future workers in order to build a modern industrial state. In addition, the schools taught communist values so they were grooming the next generation of communists.