This document discusses famine and food storage. It defines famine as a situation where a substantial proportion of the population is unable to access adequate food, resulting in malnutrition and death. Causes of famine include war, crop failure, flooding, population imbalance, economic crisis, and drought. Effects include displacement of people, malnutrition, death, and poverty. The document then discusses food storage methods like smoking, salting, canning, using sacks and grainaries, drying, refrigerating, and freezing to preserve food and prevent spoilage.