ZHANG Qian in Western Han Dynasty and of formation Chinese nation

The formation of the Chinese nation is a long historical process.Western Han Dynasty laid a solid foundation for the formation of the Chinese nation because it pioneered the western regions and southwest regions.As ZHANG Qian had been to the western regions on diplomatic missions twice,he provided the reliable basis correct decision-making for Western Han Dynasty.Objectively speaking,ZHANG Qian's foresight and sagacity precisely promoted the national integration of the Yellow River nationality with the northwest nationality and the southwest nationality.He created the immortal feats for the formation of the Chinese nation.