The majority of illegal marijuana production takes place in North America is on the Western Coasts of the United States and Canada.
Marijuana farmers grew 22.3 million pounds of marijuana in 2006 in America. Most marijuana is produced for local, in-state use. According to National Survey on Drug Use and health, California contains 13.25% of annual marijuana users in the United States.
Preventing the outbreak of a new war is the purpose of the NATO treaty and United Nations, although it should be noted that this does not always work.