During the entire post-World War II period Japan isolated itself from the ongoing power struggle. Even during the height of the Cold War when its two neighbours – the Soviet Union and the People's Republic of China – went nuclear, Japan followed the three principles of ‘not possessing’, ‘not introducing’ and ‘not manufacturing’ nuclear weapons. Successive Japanese parliaments also passed resolutions putting a one per cent GDP cap on defence spending and imposed a blanket ban on arms exports and arms-related technologies.
Ozawa Ichiro on Trial
With 120 members belonging to his faction, Ozawa still wields decisive influence to make or unmake the government led by the DPJ.