Show how the importation of opium from vietnam is linked to the rise of drug use in the inner cities in the 1970s.

Explanation:

U.S. involvement in the Vietnam was blamed for the surge in the illegal heroin which was being smuggled into States. The Central Intelligence Agency to aid the U.S. allies,  sets up the charter airline which is Air America in order to transport the raw opium from the Burma and the Laos. Also, some of opium was transported to the Marseille by the Corsican gangsters which was then refined into the heroin and then shipped to U.S via French connection. The heroin's number addicts in U.S. reaches the estimated 750,000.

In october 1970, legendary singer named Janis Joplin was found dead at the Hollywood's Landmark Hotel which became the victim of heroin overdose.

not  

cuba  

russia  

iraq  

el salvador  

explanation:

known as the land of volcanoes, el salvador has visit seismic tremors and volcanic movement. it is the main nation in central america that does not have a coastline on the caribbean sea. about portion of all salvadorans live in the wide open. they are poor and don't have power or running water in their homes. in 1525, pedro de alvarado, a lieutenant of cortés's, vanquished el salvador. el salvador, with alternate nations of central america, pronounced its freedom from spain on sept. 15, 1821, and was a piece of a league of central american states until the point when that association broke up in 1838.

answer; environmental science;