It depends on what you're referencing it to. the domino theory, in one historical aspect, was referenced during the Vietnam war. It was meant to say that if the US lost Vietnam to the communists, then countries like Cambodia, Burma, and eventually India would fall to the communists.
Dictatorship, I believe is what you are looking for.
Answer:
a food shortage could effect the population in many ways; first, when the citizens already living there notice the food shortage, they'll be the first to move away, which is one way the population will decrease. Then, people won't move to an area with a food shortage, which will lead the population to stay at the same rate, and won;t allow the population to grow, and lastly, the economy will suffer if their is a food shortage; especially food markets, and people will become aware that this area is short on food.
Explanation:
