A Copy of the History of the Heavens: I Rewrite History

(Disclaimer: This story is a fictional high-dimensional deduction setting and has nothing to do with real history) Modern college students travel through the Yan and Song Dynasties and face the greatest crisis in China for thousands of years. Knowing that the mountains and rivers will be shattered and the people will suffer, he still wants to change his fate against the will of heaven! Use modern wisdom to break the situation, turn the tide when it is falling, and support the country when it is about to collapse. Rewrite all historical tragedies, protect China's thousands of miles of rivers and mountains, and create an unparalleled prosperity!