1. Capture the grain silos of the other side, and the government set up granaries in various states and counties to prevent famine in the disaster year, such as at the end of the Sui Dynasty, Li Mi's Wagang army first captured the Huiluo warehouse of the Sui Dynasty. There was a large amount of grain in Huiluocang, which provided a very good guarantee for Li Mi's battle.
2. If it is a peasant insurrectionist, then it is only natural that the grain of the large households should be robbed. If it were not for the peasant insurrectionists, but for the other princes, they would generally speak more civilizedly and adopt the method of borrowing. Of course, this borrowing is actually just a form, and the big families themselves understand that this is a kind of borrowing that has no return. If this prince gains the world in the future, although he lends out the grain, he will certainly get a great reward. If this prince is finally defeated, there is no way but to consider himself unlucky.
3. Pay taxes and levy grain, in ancient times, in order to ensure the logistical stability of the national army, it will collect grain from the people of the whole country, and in the absence of a major disaster, the people can still bear it, and when they encounter successive disaster years, that is, it is worse, in the late Ming Dynasty, Chongzhen in order to ensure the operation of the state treasury and the grain salaries of frontline soldiers, implemented the "armor protection system" for the people, which coincided with the time when the people caught up with the continuous disaster years, and they could not afford it at all, so in the late Ming Dynasty, uprisings blossomed everywhere.
4. Buy grain, after Cao Cao returned to Shandong that year, he recruited soldiers and horses, but his family had limited funds, and he relied on tomb robbery to obtain money to prepare military funds. And buy food from the rich.
5. Raise soldiers in tun tian, let the army and peasants work in the fields, and achieve self-sufficiency in military grain, for example, Liu Bei created an army called "Buqu" when he started his family, and went to the field to cultivate crops when there was no war.