Did Japan surrender because the United States dropped an atomic bomb on Japan, or because the Soviet Union declared war on Japan, or because of the double attack of the United States and the Soviet Un

Did Japan surrender because the United States dropped an atomic bomb on Japan, or because the Soviet Union declared war on Japan, or because of the double attack of the United States and the Soviet Union? It was mainly the Soviet Red Army that wiped out Japan's million kwantung troops.

Due to Japan's lack of resources, volcanic earthquakes, typhoons and tsunamis, and lack of strategic depth, Japan's top management has always had a desire to find a better living space for Japan. After Japan occupied the northeast, it carried out deep Japanization in the northeast and immigrated hundreds of thousands of people to the northeast. The slogan put forward by the Japanese base camp is: The situation is unfavorable, so I would rather give up Japan than Manchuria!

Japan's million kwantung army (actually only about 800,000, with a small number of troops transferred to Shanhaiguan and the Pacific battlefield in the later period of the war) was taken as a strategic reserve by Japan. At that time, the United States estimated that if you want to land in Japan, you may have to pay more than one million casualties. So constantly forcing the Soviet Union to fulfill the promise of the Potsdam Conference-sending troops to the Northeast three months after the liberation of Europe, the United States believes that the Soviet Red Army may pay more than 100,000 casualties.

But in fact, the kwantung army existed in name only, and its combat effectiveness was seriously reduced. The Soviet Red Army is progressing very smoothly. Two weeks wiped out the Kwantung Army like autumn leaves, and the casualties of the Soviet Union were far lower than expected.

Due to the demise of the Kwantung Army, Japan's idea of "abandoning the roots and chasing the end" has actually been impossible to realize. Without the strategic reserve of the Kwantung Army, Japan will lose the capital to continue fighting with the Allies, and surrender is inevitable.

As for the atomic bomb, it is clear to all that Hiroshima and Nagasaki are just outer islands on Japanese territory, with few people and poor economy, which have little influence on Japan. To some extent, the United States dropped the atomic bomb in order to dilute the brilliant achievements of the Soviet Red Army after declaring war on Japan, snatch the fruits of victory in the war against Japan, and intimidate the Soviet Union and Japan in order to occupy Japan alone.