S2023·E3 – Stalin or the Bomb? - Why Japan Surrendered in WW2

It's common wisdom that the nuclear bombs dropped over Hiroshima and Nagasaki caused the Japanese surrender at the end of the 2nd World War. However, there has been a fierce historical debate if this narrative omits the role of the Soviet invasion of Manchuria in August 1945 - or if this invasion was actually the main cause for the surrender.