Traveling Through Time to Become Wang Mang: Let the Big Man Go Further

When a mechanical engineer in the 21st century traveled through time and became Wang Mang, the first thing he did was to persuade him to advance and retreat. Don't claim to be emperor. Don't usurp the throne. He chose a script that no one had ever played before. On the day when Tiangongyuan was listed, all the poor students in Chang'an Imperial Academy went crazy - if they got into the exam, they would get the rank of Sima. Cultivating land to increase production is considered military merit, and building roads and bridges is also considered military merit. In the past, these things that had nothing to do with the bottom level were now clearly marked with prices. Liu Xiu, the person in history who personally ended the new dynasty, became his most effective student this time. In the winter of the fourth year, a car in Jiang Zuosi's yard moved by itself without anyone pushing it. How far can he make the big man go this time?