I Opened up Wasteland and Built a Country in Troubled Times!

Chen Ji woke up in a mass grave. The smell of corpses was sweet. The hungry people exchanged their sons for food. He relied on fragmentary memories of his previous life to build a curved shaft plow, but the landlord seized the result and was hunted down. On the way to escape, he ran into the former dynasty's secret treasury and passed the last place in the martial arts examination with the help of his remaining historical knowledge. When farming on the border, he improved the farming methods of the Han Dynasty and turned wasteland into fertile soil. When the enemy's cavalry attacked, Chen Ji dismantled the remains of the previous dynasty's firearms and made a three-eyed fire blunderbuss. When Jiedushi knelt down to beg for surrender, he gently stroked the hatchet on his waist—— "It's time for a different approach in this world."