the Soviet union of traction

 Judging from internal cause, as the ruling Chinese communist party in treating the capitalist countries when the people and the rulers are strictly distinguish, specific for Japan is the Japanese people's and past militarists distinguish.

So, launched the invasion war is Japanese militarists act, if allow Japan to China for the war claims, the final burden will fall in Japan people body, causes the innocent Japanese people back for war, this is the burden of the Chinese people have not willing to see. From diplomatic strategy speaking, the early 1970s, in China the biggest threat from the Soviet union. The Soviet union in the Chinese border Chen bing million, and great potential of the sino-soviet war looming. Not only that, the Soviet union also use the contradiction between the us-japan alliance with the us in terms of Japan, stepping up to attempt to strategically comprehensive surrounded by China. Therefore, the Chinese speaking, normalization of relations with Japan will help to the Soviet union of traction, reduce its threat to China.

Since when Japanese domestic opponents sino-japanese normalization of political force also is a power, if China insisted that Japan on the war claims, it is bound to in fuelling against objectively sino-japanese friendship and the normalization of forces, is not conducive to realize normalization of this big target of Japan.