1. Because everything is in the process of development, the Qing Dynasty is an old thing (because of political corruption, closed doors, etc. ), will inevitably be replaced by new things. But this time it is different from the development of overthrowing the emperor in the history of China, because there is a democratic republic. So it is not a repetition in history, but a real change, so it is not a repeat of the same mistakes.

2. The realization of this "substitution" is the establishment of a new China. Under the leadership of * * *, China finally won in the form of democratic revolution. This process is tortuous. The initial national revolution and the emergence of * * * are basically the history of China after the May 4th Movement.