2. Genghis Khan, the contribution of human emperors:
Although Genghis Khan was not influenced by material civilization, he was able to establish practical laws and regulations for so many nationalities and maintain peace and order in half the world. A messenger can travel 50 longitudes vertically and horizontally, and a girl with a bag of gold can travel around this huge empire with peace of mind, so that the communication between East and West can be smooth and the communication between Europe and Asia can be smooth. This is the most extensive and open cultural exchange between human beings. Since then, China's inventions, such as gunpowder, paper money and post system, have been exported to the west, and western medicines, textiles and astronomical calendars have also been imported to China. This is also an important reason for the development of science and technology in the independent Yuan Dynasty.
3. Mao Zedong's Anshan Iron and Steel Constitution has played a great role in Japanese take-off.
In recent years, Sun Tzu's Art of War and the Doctrine of the Mean have been used in the West and Japan.
5. Emperor Xuanzong of Tang Dynasty travelled to Jian Zhen and Jian Zhen travelled to Japan six times, which strengthened the cultural exchange between China and Japan.
6. Kyle Poirot came to China. The Italian Kyle Polo came to China to strengthen the ties between China and Europe.
7. Xuanzang's learning from the scriptures strengthened China people's understanding of ancient India.
8. The Silk Road spread China's science and technology culture, and also brought other civilizations.
9. Zheng He's voyages to the West strengthened the ties between China and western countries.