我们在阅读历史资料时,总会看到这样一句话:“兵家必争之地。”那么怎样才算得上“兵家必争之地”呢?所谓兵家必争之地,有三个方面,一是历史名城,如长安、洛阳、南京、北京,二是山水险阻、关隘要津,如太行山、陇山、龙门、剑门关、山海关,三是交通枢纽,如兰州、郑州、井泾关、潼关。如攻占川鄂,先取宜昌,如淮西有事,必争合肥。唐明皇兵退马嵬坡,首 When we read historical materials, we always see such a sentence: “So the battlefield of the military. ” So how can we count as “The battleground of the military ” So-called military strategists, there are three First, the historic cities such as Chang'an, Luoyang, Nanjing, Beijing, the second is the peril of mountains and rivers, pass to Jin, such as Taihang Mountain, Longshan, Longmen, Jianmenguan, Shanhaiguan, the three transport hubs, such as Lanzhou, Zhengzhou, well Jing off, Tongguan. Such as the capture of Sichuan E, take Yichang, such as Huaixi something, must fight Hefei. Tang Ming imperial troops retreat Ma slope, the first