Plan East

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Plan East (Polish: Plan Wschód) was a Polish defensive military plan that was created in the 1920s and the 1930s in case of war against the Soviet Union. Unlike Plan West (Plan Zachód), it was being prepared during the whole interwar period, as the government of the Second Polish Republic treated the Soviet Union as the greatest potential military threat that was capable of initiating a full-scale war. However, only a few loose historical documents remain of the original plan today.