This is the correct answer.

https://www.historyextra.com/period/modern/1940-the-year-mex...

Decriminalizing drugs also had a similar effect in Portugal. To be honest, I think that if the government really wanted to they could stomp all these cartels out of existence. The problem is that there is a lot of incentive not to.

I believe that law should be modeled after reality, not the other way around. If there is demand for drugs, then there will also be ways to satisfy this demand, legal or not. On the other hand, there is also demand for murder so obviously this problem is not as easy as it seems.

Where does a lawmaker draw the line?