1945 August 14 The Sino-Soviet Treaty of Friendship and Alliance signed by the Kuomintang government and the Soviet Union stipulates that the Soviet Union uses the Lushunkou naval base and Dalian commercial port free of charge.

1at the beginning of 945, the heads of state of the United States, Britain and the Soviet Union held a meeting in Yalta, the Soviet Union. At the meeting, Roosevelt asked Stalin to send troops.

Stalin was willing to send troops, but he also put forward the conditions of the Soviet Union: first, recognize the status quo of outer Mongolia; Second, lease Dalian and Lushun for 30 years; Third, restore the railway interests in the Middle East during the Russian period.

At that time, Roosevelt urgently needed the Soviet Union to participate in the war against Japan. Without China's knowledge, he agreed to Stalin's request. Because the war against Germany was not over yet, Stalin said that he would join the war against Japan three months after the end of the war against Germany. This was an exchange of interests, and the Soviet Union became the beneficiary.

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Before becoming a special liberated area, Luda was colonized by Russia and Japan for 47 years, which is a big difference between Dalian and other liberated areas. The history of 47 years and 5 months from1March 898 to1August 945: Sino-Japanese War, "triple interference", Russia forced to rent Lvda, Russo-Japanese War, Japanese colonial rule for 40 years, and Soviet troops stationed in Lvda.

After the victory of the Anti-Japanese War, the Kuomintang's strategic attempt was to completely occupy the area south of the Yangtze River, and at the same time, to seize the strategic points and communication lines of northern Jiangsu, Anhui and North China with heavy troops, so as to divide and compress the liberated areas led by China and open the passage into the Northeast, and then to send troops to occupy the Northeast according to the favorable provisions of the Sino-Soviet Treaty of Friendship and Alliance.

After the victory of the Anti-Japanese War, it has become an urgent task for China's * * * production party to adjust its strategic layout and put itself in a more favorable strategic position, so as to March into the northeast and defend the liberated areas in North China more effectively in the case of a massive attack by Kuomintang troops. It is in this political situation that Dalian undertakes the special historical mission of the special liberated area.

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