If you want good sources go to wikipedia and look at the sources used in the wikipedia article. DO NOT USE THE WIKIPEDIA ARTICLE ITSELF AS A SOURCE!
The war was actually between Japan and USSR, not Russia. It was fought on land belonged to China with US and Western allies watching and supporting the Chinese govt.
Japan was the aggressor and invaded part of China bordering USSR. To protect its own interests in China, USSR fought off Japan and took over the puppet govt in Manchuria set up by Japan. It allowed USSR to spread communism to China which turned into a communist country later. US and Western allies won WWII but were alarmed to see the spreading of communism. That confrontation was the beginning of the cold war.
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A.an imaginary line that divides affluent suburbs from poor inner city neighborhoods
The Mongols. The modern Mongols, who are an Inner Asian rather than a Siberian people, are the descendants of the famed Empire Builder Chingiz (Genghis) Khan. As such, they have played a more prominent role in world history than any other people of North or Middle Asia.
