论汉魏之际的河东郡

关于河东郡在汉魏之际的地位，曹操曾有“当今天下之要地”、“吾股肱郡，充实之所，足以制天下”这样的认识；可是这种认识却在史籍中很少能体味出来。文章通过考察王邑、卫固事件认为这是一件曹操攘夺军阀引发的抗拒事件，河东事件的顺利处理在当时起到了控制局面的关键作用。在后来的潼关之战中河东在经济和战略地利上做出了重大贡献。此后河东的重要地位依然如故，征张鲁后更处于西通长安的交通枢纽上。可以说河东郡在汉魏之际的重要地位体现在战略要地、充实之所、交通枢纽三方面。

The Hedong County During the Tansitional Period Between Han and Wei Dynasty

As for the place of Hedong County during the transitional period between Han and Wei dynasty, Cao Cao had ever considered it as one which is the contemporary heart within the whole country within which it play a dominant role, and the one as important as my legs and arms which is one of the abundant resources of supplement for state. But, unfortunately, you can＇ t get these recognitions from the classical history Works. Through studying the accident about Wang Yi and Wei Gu, my this thesis conclude that the accident was caused by Cao Cao because he wanted to deprive of Wang Yi＇ s power. It was get rid of smoothly, thereby the circumstances get in con- trol well. During the thereafter Tongguan Battle,in economy and military geographical advantage aspects Hedong bad contributed largely. After Cao Cao conquered Zhang Lu, Hedong located in the heart of traffic toward Chang＇ an. In a summary, the importance of Hedong constrates on the aspects of abundant resource of supplement and the heart of military geography and traffic.