Trans-Siberian Railway men and ammunition coming from west to east would have to wait in the sidings, whilst troops and injured personnel in a troop train travelling from east to west went along the line. Thus the Japanese were quickly able to advance whilst the Russians were awaiting necessary troops and supplies. After the Russian Revolution of 1917, the railway served as the vital line of communication for the Czechoslovak Legion and the allied armies that landed troops at Vladivostok during the Siberian Intervention of the Russian Civil War. These forces supported the White Russian government of Admiral Alexander Kolchak, based in
Return of the Chinese Eastern Railway China National Railways, the Soviet Union was able to maintain trade access to China at lower cost. Furthermore, the CCR was significantly underdeveloped compared to the remainder of the Soviet Trans-Siberian Railway (which was being rapidly modernized after World War II). All of these factors combined to make returning the railway to China a cheaper bargain than upgrading and integrating the CCR into the Soviet Railway system. Ultimately the strategic loss of the CCR was more than made up for by the strategic benefits of the new Sino-Soviet Alliance. These benefits were seen both immediately with the Korean War but