Trans-Siberian Railway imperial collapse, and before the Red Army took control, the Czechs and Slovaks were able to use their organisation and the resources of the railway to establish a temporary zone of control before eventually continuing onwards towards Vladivostok, from where they emigrated back to Czechoslovakia. During World War II, the Trans-Siberian Railway played an important role in the supply of the powers fighting in Europe. During the first two years of the war the USSR had secretly agreed to a neutrality and non-aggression pact with Germany. While Germany's merchant shipping was interdicted by the Western allies, the Trans-Siberian Railway (along
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