Have you ever heard of Emperor Yang of the Sui Dynasty? People in the world say that he was very happy with his achievements, did not care about fame and fortune, indulged in pleasure, and was extravagant. Did you know that he dug a grand canal running from north to south and founded Jinshi Branch. The Grand Canal built by Emperor Yang of the Sui Dynasty has brought disadvantages to the present day but will benefit the future. It strengthened the political, economic and cultural exchanges between the north and the south and is still in use today. Jinshi Department. Promoting social class mobility promoted the development of education and became the main system for selecting officials in the past dynasties, which lasted for about 1,300 years. The merits and demerits of Emperor Yang of the Sui Dynasty are hard to comment on today. Liu Fang, the general of Emperor Yang of the Sui Dynasty, died young again. The transformation of Emperor Yang of the Sui Dynasty and the early death of General Liu Fang, it seems...
Purpose: Guess the reasons for the change in Emperor Yang of Sui's cruelty.