Research On The Relationship Between Military Intelligence And Song-meng War In Late Song Dynasty

In the second year of the Southern Song Dynasty(1206),also known as the late Song Dynasty,Genghis Khan unified the Mongolian tribes,established the Mongolian Khanate,and began the foreign conquest.From the beginning of the Song Dynasty,through indirect contact between the Jin Dynasty and Mongolia,and between Song and Meng(Yuan),a large-scale regiment was fought,resulting in the destruction of Mongolian(Yuan),and the defeat of military intelligence in the late Song Dynasty was an important part of its defeat.factor.According to Mr.Hu Zhaozhao's division of the history of the late Song Dynasty,it was divided into three stages: the early stage,the middle stage,and the later stage.Each stage has its own characteristics.In the early period of Mongolia,although there was a repetition,but mainly in terms of peace and harmony,the Song Dynasty strengthened its understanding of military intelligence mainly through contacts between the Jin Dynasty,envoys,and local wars.In the mid-term,the understanding of the cavalry operations of the Mongolian Army was deepened,the use of Qiu Fang and Jian Bi's clearing strategy,and the knowledge of the Meng Jun's plan to carry out the epidemic.In the late Song Dynasty,the visit to Mongolia(Yuan)took place by his envoys to find out what he did not know and to kill the envoys,which led to a delay in the understanding of military intelligence.Song Ting aimed at the already known military information on Mongolia(Yuan).There was no major confrontation in the early part of the war.In the mid-Song period,the Song Dynasty was able to maintain balance of power even though he defeated the Mongolian army through fighting with the military intelligence of the spy.Loss in late military intelligence directly affected the defeat of Mongolia(yuan).In response to the Mongolian(Yuan)military situation,the Mongolianarmy tried to avoid the strong defense line of the Yangtze River in the Southern Song Dynasty and carried out a plan of “strengthening the abdomen”.It also demonstrated that Meng(Yuan)defended Song's strategy of “strengthening belly” and the Southern Song Dynasty's protection against it..After Kublai Khan ascended,Hao Jing and Lian Xixian,successively dispatched by Meng(yuan),strangled his envoys during the crucial period of the Song-Meng(Yuan)war with Song Yihe and the Song Dynasty when the Song Army was not informed.Affected Song and Meng(Yuan)and the proposal.The key battle between Song and Meng(Yuan)-the battle of Xiangfan,the key to its strategic transformation lies in Liu Quan's descent.This article focuses on detailed research on the role of Liu Quan.The military intelligence before,during,and after the battle of Xiangfan was reviewed.The Xiangfan Campaign was the longest-running major battle between Song and Meng(yuan),the use of Mongolian(yuan)pre-war Xiucheng built-fortress strategy,the use of advanced water battle methods in the campaign,and the post-war Lv Wenhuan descended to cause the ups and downs along the river.With the descendants of Lu's tribes,the Song Dynasty had barely won any initiative in military intelligence,and it also led to the failure of the war.