郑州在三代战争中的枢纽地位

Zheng Zhou City's Pivotal Position in the War of Three Dynasties

夏商西周时期出现了东西对立的政治格局，郑州地区处于华夏、东夷两大民族集团势力范围的交界地带，所以成为兵家必争之地。

In the period of Xia, Shang and West Zhou Dynasties, did arise the political structure of confrontation between the east China and the west China. Zheng Zhou city was located in the zone where the two spheres, Hua Xia and Dong Yi, ethnic groups' influnce met, therefore it was a target all military strategists inevitably fought for.