Zheng The Korea Gucheng Military Defense System Research

The Original Town of Zheng and Han is the capital of Zheng State and Han State during Spring & Autumn Period and Warring States Period. For the sake of the safety of their capital, both of the two states established an effective system of military defense. Researches on defense system of it are of great academic and practical significance. The author mainly conducts a research on it from such aspects as site selection of the Original Town, dependence on natural screens, military facilities of the capital and surrounding areas, and spiritual defense. This thesis consists of the following parts.In introduction, the author defines related concepts, reviews the research situations on the Original Town, and then states the research significance and methodology of this thesis.In chapter one, the author introduces its site selection and dependence on natural screens. The capital was located at the high-level place where Shuangji River and Huangshui River joined, in the surrounding of which there were such natural protective screens such as mountains, rivers, and passes to depend on.In chapter two, the author examines the measures of military defense of the capital area. Zheng and Han states constructed a large-scale town site, solid town walls, firm town gates, roads, and numerous grain-storage pits. Taking advantage of the system of inner and outer city walls, and high-platform buildings, they set up such facilities as moats, enceintes of town gates, and abutment walls on the city walls. Through all of these measures, the defense ability of the capital area was strengthened.In chapter three, the author discusses such facilities of military defense established in surrounding areas of the capital as complementary capitals, towns and strong points of military importance, and long walls.In chapter four, the author concerns the construction of spiritual defense of the Original Town. When designing the town site, they paid attention to gathering Qi together and avoiding evil spirits. Temples could frighten enemies spiritually. Sacrifice could pray for the protection and help of natural gods and forefathers. In so doing, their residents' psychology of safety was satisfied.In conclusion, the author sums up the main research results of the thesis. The author points out that although the defense system of the Original Town was very effective, it collapsed gradually as the military power of Zheng and Han states was becoming weaker and weaker.