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
Chinese Eastern Railway in Harbin. The railway and the concession, known as the Chinese Eastern Railway Zone, were administered from the city, which grew into a major rail hub. The southern branch of the CER, which became the South Manchuria Railway in 1906, became the locus and partial casus belli for the Russo-Japanese War, the 1929 Sino-Soviet Conflict, and the Second Sino-Japanese War. The Soviet Union returned the Chinese Eastern Railway to the People's Republic of China in 1952. The Chinese Eastern Railway, a single-track line, provided a shortcut for the world's longest railroad, the Trans-Siberian Railway, from near the Siberian city of