The Japanese and Germans already had modern industrialized societies, otherwise they would have not been able to produce the huge war machines that threatened the allies during the war. What they did not have was a history of popular democratic government.
The Germans had a brief encounter with popular democracy during the Weimar period (1920 -1933). The Weimar Republic was destroyed by the economic instability of the early 1930's.
The Japanese, however, had a long history of feudalism. This had to be overcome at the same time that popular democratic institutions were established.
Third world countries from Afghanistan to Zimbabwe (literaly from A to Z) need:
I think it is ironic that third world countries reject the freedom model as "too Western" or "eurocentric" at the same time that they embrace the Marxist model which was clearly a product of European descent.