Rise and Fall of Han River Valley for Qin-Han Dynasties;

The "Chinese Characters Unification" policy implemented during the Qin Dynasty was a policy put into practice by the highest administrative authority of China, hence an event of great significance.

After the Qin dynasty unified,the two political culture opinions disappeared that limited king power voicc and culture ecology were.

The cultural environment of Chu Dynasty in which he grew up and the social atmosphere in which public had enmity attitudes towards Qin authority, and also the education he received in his childhood generated a strong psychology of vengeance which made him brave, staunch and firm in his fighting against the Qin Dynasty.

Discussion on the Feature of Appoint ment of Frontier Officials in Northwestern Area in the Western and Eastern Han Dynasties;

the Western and Eastern Han Dynasties In order to realize and consolidate political rule for Nanyue,use of economic and cultural advantages,through confers Giving Reputation of "Waichen",sets up Chu Jun and frontier official\'s teaching to Minority Nationalities and so on.