In this play, through various detailed dialogues, the islanders conveyed the thought, "I have invaded you before, what does it have to do with now, I am very pitiful now". And the answer to this question in the anime is also very perfunctory. When Jia Bi and the girl were arguing, they could only use the completely untenable rhetoric that "because the ancestors sinned deeply, so the ancestors will be enslaved for generations", which aroused the audience's sympathy for the islanders and vilified the people in the world. It even led to some viewers' disgust with other countries such as Jia Bi and Malai.
But this should not be the case in reality. Only by facing history squarely and facing mistakes can people be warned and not repeat the same mistakes. The excessive hatred and enslavement of Marais and other countries is not correct, which has led to some so-called restoration movements, but the teachings of history have made the vast majority of Ai people outside the wall not have the tendency of aggression led by themselves.
The islanders are different. Even after they know the history, they still do not feel that they are at fault. They still believe that the endless persecution of them by the outside world has led to the rise of militarism, which is the so-called "Yager faction". .
In fact, no matter whether it is an aggressor country or aggressor country in history, taking history as a mirror, the aggressor country should be wary of the restoration of militarism while communicating on an equal footing, and the aggressor country should adhere to the path of peaceful development in exchange for the trust of the world.
This is just a little bit of my opinion after watching the whole series.
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