What is the best evidence of the westward expansion of traditional Chinese culture to the western regions?

as follows:

1, the western region of the emulation of the Han culture, yearning

While the Han Dynasty has always taken a joint attitude towards the Wusun and other countries, however, as a heavenly kingdom of the Han Dynasty must be the first, they respect the Han Dynasty as the head of the title of the Han Dynasty, the Han Dynasty's strong, so they are yearning for the Han Dynasty, and with the country-to-country union, the culture of the Han Dynasty gradually penetrated into the western regions and was very much welcomed by the western countries.

2, the exchange of spiritual civilization

The Analects of Confucius, the Book of History, the Strategies of the Warring States, the Nine Nine Numbers, and other writings, all of which were introduced to the Western Regions on the Silk Road during the Han Dynasty period, can be seen in the Han Dynasty's influence on the Western Regions is how deep.

3, the import of technology

Chinese metallurgy, well drilling and other handicrafts technology has been transmitted to the west, the western region of the grapes, alfalfa and other cash crops settled in the Central Plains, the Western Han Dynasty influence directly to Central Asia, West Asia, South Asia and Europe; the ancient Chinese culture, Indian culture, Arab culture and ancient Greece, Roman culture, connecting, and promoting the exchange of Western and Eastern economic and cultural exchanges.

Administration of the Western Regions by the Han Dynasty:

1. Sending officials? :?

Western Regions Capital Protector, the highest official appointed by the Han Dynasty to manage the affairs of the Western Regions. Appointed and dismissed by the central government. With the development of cantonment, the Han Dynasty reset the Wuji school lieutenants from 48 BC, also appointed and dismissed directly by the central government, with a rank of 2,000 stone.

2, the local chiefs of the seal issued ribbons

After the unification of the Western Regions by the Han Dynasty, the administrative organization of the Western Regions still retained the original title of "country". The central government appointed the original king to be the head of the country (the localities were still managed by the original heads of the local authorities. However, the king and all officials at all levels had to be appointed by the central government of the Han Dynasty and awarded with seals and ribbons).

3. The introduction of cantonment? :?

The main responsibility of the Western Regions was to lead the north and south of the Tianshan Mountains and to ensure the smooth flow of the Silk Road. As a result, the military construction and production construction measures became the most important. At the time of Emperor Wu of the Han Dynasty, as soon as the power of the Han Dynasty penetrated into the western region, in order to solve the problem of food and lodging for the envoys, they began to canton.