Most of us have read of food shortages during the Civil War. The web site listed below sure brings the soldier's, both Yankee and Rebel, feats of survival in the field and how difficult for the folks at home to survive even though many lived in a rural society.
Read and be amazed at the toughness of the digestive system of the general population as well as the soldiers in the field.
http://www.independentmail.com/news/2011/mar/06/taste-civil-war/