A major boost to the addictive and dangerous habit of smoking was corporations successful lobbying to have all enlisted men receive a ration of cigarettes. The time in trenches in WWI and idle time in WWII, the stresses of war, combined with these rations lead to a change in how men smoked. Prior to these wars, people occasionally smoked a cigarette after dinner. After the WWs, it became common for men smoked a pack a day or more.
Soldiers of the 28th Infantry Division, U.S. Army, march down a street in Bastogne, Belgium, 20 December 1944 during the Battle of the Bulge. These men have been regrouped into security platoons for defense of the town. The lead soldier is armed with an M3 .45 cal. sub-machine gun and an M1 Carbine over his shoulder.
THE ARDENNES OFFENSIVE, DECEMBER 1944. American Dodge Ambulance (T214-WC54, Truck, ¾ ton, 4 x 4) carrying wounded from front line positions, passes a knocked-out German Tiger tank that is being repaired on a road near La Gleize, Belgium, two miles from the front, so that it may be transported back to the United States.