2. The significance is to maintain the stability of the western regions, ensure the security of the western border of the motherland, and unite countries to resist the Huns.
3. After the Western Han Dynasty unified the Western Regions, the Western Regions Duhu was established. In BC 108, the Western Han Dynasty sent troops to attack Loulan and the automobile market, and after defeating Dawan, it stationed troops in Luntai and Quli and set up an "emissary captain" to manage the fields. This is the earliest administrative organization established by the Western Han Dynasty in the western regions. In 68 BC, the Western Han Dynasty sent Zhuang Jizheng and a captain Sima Yi to settle in Quli area. In 64 AD, Ji Zheng was appointed as the "special envoy to the west of Shanshan" to protect the South Road. In 60 BC, Ji Zheng was appointed as the "Duhu of the Western Regions", in charge of the South Road and the North Road, and the Duhu House was located in Wu Leicheng (now northeast of Luntai). In the Western Han Dynasty, from Zhang Qian's mission to the western regions to Ji Zheng's appointment as the protector of the western regions, the great cause of unifying the western regions was finally completed. Guard is to lead troops to guard; Solitary tiger, that is, general guardianship Zhao Xuan period further strengthened the ties between the Han Dynasty and other countries in the Western Regions.