This time the drug of which the American became addicted was marijuana. Before the arrival of the American forces marijuana was very much present in Vietnam. Experts believe that the reason why the American became so much addictive of this drug is because in that part of the world drug was not very well defined and the punishment of using drug was not given much priority in their criminal justice. The government had little influence over the proliferation of marijuana which made it very easily accessible. A survey which was conducted in 1966 showed that at that point of time only in Saigon there were 29 outlets where marijuana was easily available