Drug trafficking: Should the United States try to control drug production at the source through the use of U.S. troops agents, and money

 provide a brief summary to answer the following questions:

Should the United States try to control drug production at the source through the use of U.S. troops agents, and money, or should it concentrate on controlling traffic and consumption within the United States?

Of all the possible responses to organized crime and drug trafficking, which do you believe is the most effective? Why?

What implementations should be made to decrease drug trafficking?