Siberian Intervention powers, since it allowed Germany to shift troops and war material from its eastern front to the west. Also, 50,000 man Czechoslovak Legion, fighting on the side of the Allied Powers, was now behind enemy lines, and was attempting to fight its way out through the east to Vladivostok along the Bolshevik-held Trans-Siberian Railway. Faced with these concerns, the United Kingdom and France decided to intervene in the Russian Civil War against the Bolsheviks. They had three objectives: The British and French asked the United States to furnish troops for both the North Russia Campaign and the Siberian Campaign. In
Far Eastern Railway is hoping to implement the idea of constructing the Trans-Korean Main Line and then connect it with the Trans-Siberian Railway one day. Indeed, further development of the Khasan—Tumangang border crossing may provide additional 10 million tonnes of cargo per year, according to some forecasts, let alone a potential two-way traffic of up to 200,000 cargo containers per year from the port of Busan. The Grodekovo—Suifenhe City border crossing in Primorsky Krai also plays an important role in the Russo-Chinese economic relations. The freight traffic between the two countries increases by one million tonnes per year. Strong ties with the ports