NATO and the USA wanted a complete victory over the Soviet Union. They wanted to sit on the throne in Europe alone.
I see the collapse of the Soviet Union as a great tragedy of the XX century.
The Soviet Union, and Russia as the successor state to the Soviet Union, is a founding member state of the United Nations and a permanent member of its Security Council.
Back in 1956, we signed a treaty and surprisingly it was ratified both by the Supreme Soviet of the Soviet Union and the Japanese Parliament. But then Japan refused to implement it and after that the Soviet Union also, so to say, nullified all the agreements reached within the framework of the treaty.