Civil War field medicine created many veterans addicted to this class of drug that includes morphine
The earliest portrayal of Soldier's Disease among Civil War 
veterans... [DOC] [TLE] Opium in the Civil War - The 4th US Civil War Association [PAR] By the beginning of the civil war, there was probably some opium of some form in 
most ... that she found home remedies, all containing opium, for many common 
illnesses.