What is the song dynasty accredited with improving in the government employment system

The Song Dynasty is accredited with improving the government employment by creating a bureaucratic system within government employment. The Song Dynasty built a strong centralized bureaucracy and regularized it. The important positions in government was given to them. The military governors and the people associated with them were replaced by the centrally appointed bureaucrats.

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the fact that could also be added to column b is that during world war ii, specifically between the years 1941 and 1945, japan expanded its territory towards the indonesian territory in what was known later as part of the "pacific war". in that time, japan could conquer the philipines, singapore,   borneo, central java, malang, cebu, sumatra and various other islands of the area, therefore expanding its territory for a brief period of time.

mickey : )

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why not?