1, Spring and Autumn and Warring States correspond to Persian Empire, Greek polis, Macedonian Empire and early Rome. 2. Qin corresponds to the Roman Republic. 3. The Western Han Dynasty corresponds to Parthia, a city on the Mediterranean coast of Greece and the Roman Republic. 4. The Eastern Han Dynasty corresponds to the Roman Empire and Parthia/Sassanpolis. 5. The Three Kingdoms and the Western Jin Dynasty correspond to the Eastern and Western Roman empires and Sassanpolis respectively. 6. Sixteen countries in the Eastern Jin Dynasty correspond to the Eastern Roman Empire, Sassanbos and European barbarian countries. 7. The Southern and Northern Dynasties and the Sui Dynasty correspond to the Eastern Roman Byzantine Empire, Sassanbos and European barbarian countries. 8. Sui and Tang Dynasties correspond to Caroline Dynasty (France). 9. The Song Dynasty corresponds to the Byzantine Empire, the Holy Roman Empire (the embryonic form of Germany) and the embryonic form of modern European countries. 10, Yuan Dynasty corresponds to Byzantine Empire, Mongolian Khanate, the embryonic form of modern European countries. 1 1, the Ming Dynasty corresponds to the Uzbek Khanate (Central Asia), the Shaman Dynasty (Persia) and the Ottoman Empire after the Timur Empire. 12, the Qing dynasty (before 1840) corresponds to the Russian Empire, the Republic after Bourbon and Napoleonic Empire (France), Britain after the Glorious Revolution, Spain from Habsburg Dynasty to Bourbon Dynasty, and the United States, which was newly independent.