My Eldest Brother Wants to Change the Law

My eldest brother wants to reform, vows to enrich the country and strengthen the army, and revolutionize the Song Dynasty. However, before the reform began, he discovered that the Song Dynasty was already quietly changing. From food, clothing, housing and transportation to all aspects... The Song Dynasty is quietly changing, but the mastermind behind the scenes has never revealed his true identity. "Father, the Song Dynasty may change." Crown Prince Zhao Xu said in fear. "It's okay, the sky won't fall." Emperor Zhao Shu was as calm as an old dog. He looked at Zhao Yan with a chuckle and asked, "Isn't that right, Yan'er."