One of the Problems of Japanese Politics and Government in the Post-World

One of the problems of Japanese politics and government in the post-World War II era is the result of

A) its too rapid nationalization of industry and communications facilities.
B) its failure to adopt a land reform program to reduce the number of poor tenant farmers.
C) its federal political structure which gives too much independence to Japan's prefectures and other local entities.
D) the domination of the political process by the military, both army and navy.
E) the unitary nature of Japanese politics with its centralizing tendencies.