Where do a large percentage of drugs is sold in the u. s enter the u. s from

ANSWER:

Most of the drugs that are sold in the US come to the US from ports and border patrol checkpoints.

EXPLANATION:

These drugs come from Mexico, South and Central America. Mexico serves as a major transit point for the drugs to enter US. Heroin, cocaine, marijuana and some painkillers are in great demand in the US. The US gets its drugs from drug gangs that operate in different regions. A lot of drugs are trafficked into the US. These drugs enter the US illegally through official ports.