This is important to bear in mind, because rising food prices have historically been the trigger for political revolutions. The three revolutions that made the modern world, in France, Russia, and China, all had their immediate origins in food shortages, fear of hunger, and disputes about food pricing.
前事不忘，后事之师，历史上，粮价上涨是很多政治革命的导火索。塑造了现代世界的三场革命——法国、俄国和中国革命，其直接原因都和粮食短缺、饥饿恐慌和粮价争端有关。