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This book is very interesting! From the perspective of ethnic relations, I studied the relationship between Sauron and Manchuria, and also focused on analyzing the influence of ethnic elites. This reminded me of today's society. Each ethnic group has its own elites, who play an important role in the development and decision-making of the nation. Moreover, understanding the ethnic policies of the Qing Dynasty can also provide us with some reference for dealing with ethnic issues today. In short, this book gave me a deeper understanding of history and nation.