The Lean-Year Stockpiling System Helps Me Conquer a Chaotic World

In the final years of the Great Qian dynasty, thousands of miles of land lay barren. The court was corrupt, popular resentment boiled over, and starving corpses littered the land. People ate their own children, while foreign tribes and vassal kings constantly raided the common folk. At this time, the protagonist transmigrates with a System, saving the people and exchanging for supplies through the System. After a series of events, he overthrows the old dynasty and leads the people to a peaceful life.