currently each year, the dynasty had collapse including the tang dynastythe song

Question

Currently each year, the dynasty had collapse including the Tang Dynasty and the Song Dynasty, why have they improved so much on culture, government, and technology but still collapse which made it ended? Why is there still some dynasty created when there have already been some that had started off with good developements and soon ended being collapse?

Mr.Grant · Answer

It is not possible to be strong and great forever. Spring comes and go, and flowers blossom and fade. That is just the rule of nature.

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