Why Binggou was the military defense?

Since Qin Dynasty, Binggou had been the militarydefense.

What was the reason? Binggou was the boundary of Huangtu

Plateau and Inner Mongolia Grassland, where Han people

farmed and northern ethnic minority people herded livestocks.

With the development of Northern ethnic minorities,

Qingshihuang emperor faced the increasing military threaten.

At that time, the capital of Qin was Xi¨an, which was not far

from Binggou. In order to protect the political center, he put

great emphasis on developing agriculture, which was the main

resource of national budget. In this sense, defendingBinggou

equaled to defending lifelines of national economy.


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