The surrender came after Nagasaki (which is a plausible reason to surrender to the US), but it also came at a time when a Russian invasion was imminent (which i

The surrender came after Nagasaki (which is a plausible reason to surrender to the US), but it also came at a time when a Russian invasion was imminent (which is also a good reason to surrender to the US - in Europe, the US army had been much gentler to civilians than the Russian one had).