The Japanese chose the principle of eternal peace as the basis of morality for our rebirth after the War.
In Japan itself there have all along been attempts by some to obliterate the article about renunciation of war from the Constitution and for this purpose they have taken every opportunity to make use of pressures from abroad.
After the end of the Second World War it was a categorical imperative for us to declare that we renounced war forever in a central article of the new Constitution.