抗日战争时期,为了建立广泛的国际反法西斯统一战线,进一步取得国际援助,在苏联和共产国际的帮助下,国共两党共同努力,建立了一条以新疆迪化(乌鲁木齐)、甘肃兰州、陕西西安为联接点,包括空中航行、陆路运输和通讯联系等功能的西北国际交通线,加强了中国同苏联及世界其它反法西斯力量的联系,在中国抗日战争及世界反法西斯战争中发挥了重要的历史作用。一、芦沟桥事变前后的国际国内形势及建立西 During the period of the War of Resistance Against Japan, in order to establish a wide range of international anti-fascist united front and further international assistance, with the help of the Soviet Union and the Comintern, the two parties worked together to establish a national anti-Fascist warfare unit that took Xinjiang Dihua (Urumqi), Lanzhou Gansu, Xi’an As the junction point, the Northwest International Traffic Line including functions such as air navigation, land transport and communications strengthens China’s ties with the Soviet Union and other anti-Fascist forces in the world and has played an important historical role in the Anti-Japanese War in China and the World Anti-Fascist War effect. I. The International and Domestic Situation Before and After the Lugou Bridge Incident and the Establishment of the West