These are probable precursors to the Doomsday event:
1. The possession of an arsenal of A-bombs by one of the victim countries of famine.
2. A leadership that believes it has the right to use atomic weapons to obtain food.
3. A supporting population of people who feel dispossessed of a necessity like food.
4. An essential item, probably food, water or energy, becoming difficult to acquire.
5. A dearth of an essential like water for crops and even for personal use because of another country’s actions.
6. The price of food exceeding 80% of the income of most of a country’s people with associated thefts becoming commonplace.
7. A religious belief in the righteousness of killing other people to save ones friends.
8. A 50% worldwide shortfall of a major food crop — wheat, rice, corn, soybeans.
9. Major theft of food supplies at sea or on highways by organized groups.
10. State sponsored theft of another country’s water or food.