The history of the major countries in Eurasia has a history of exchanges and struggles between farming peoples and nomads. The nomads on the Eurasian steppe are not only the main participants in the history of Eurasia, they also play a role in the interaction between Eastern and Western civilizations in history. The intermediary role of the grasslands. The Silk Road was one of the main passages between the East and the West before the appearance of modern means of transportation and lines of communication.