“ethics is nothing more than the rational attempt to find out how to live better interpretation”
The Treaty of Versailles caused long-term instability in Europe (and parts of Asia) by ignoring the nations who had lost WWI. The treaty didn't provide any support for the nations who had lost, creating resentment in the hearts' of their people. This disunity allowed for the rise of facist dictators post-WWI, eventually causing World War II.
Japan ( Hiroshima and Nagasaki)
But, I don't how are there more than 1 country recovering from atomic bomb explosion
The answer is
automobile industry
Hope this helps