Dazhai Lord, this should be the Tang River Valley. Li Feixing stood beside Zhou Nan and said, "To the south is Hongshan Pass, to the north is Feihu County, and the Flying Fox Ancient Road is here." ”

  Although Li Feixing said the name of the ancient times, he still knew the place names of Hongshan Pass and Feihu Road, not because of his knowledge of history and geography, but because when he traveled to this era, he took a long-distance bus and marched all the way to Yixian along the G18 National Highway.

  Hongshan Pass is the inverted horse pass of later generations, and Damao Mountain has also built the Gubeiyue National Forest Park of later generations. And Feihu County is Laiyuan County in later generations.

  "From the ancient times of the Flying Fox, you can go directly to Ulzhou, right?" Zhou Nan's poor geographical knowledge only let him know about Flying Fox Ridge.

  "It's not just Ulju. In fact, the Flying Fox Ancient Road is not only Ulzhou all the way, from the foot of this river, you can go directly to the South Dynasty Zhending to the southeast, from the Flying Fox County to the west, it is the Lingqiu Ancient Road, through the bottle-shaped village, you can go straight to Yanmen Pass. Li Feixing briefly explained to Zhou Nan.

  "That's it! Now it's time to go to Lingqiu. "Zhou Nan has been in a hurry since he received Zuo Xiaosi's urgent report, and he has never come up with a plan, after all, the terrain is not familiar, they are more than 300 people, say not much, say no less, so rashly go deep into the Great Song Dynasty and the Jin Army forces, if you can't find out the situation, let alone do this deal, even the capital will be lost.

  "Dazhai master, where are you going to go this overnight attack? Over the Taihang Mountain, it is the former Liao State of Ulzhou boundary, I heard that Ulzhou is now the Jin army has no time to take care of, is the owner of the village want to take Ulzhou? Li Feixing finally couldn't help it and asked Zhou Nan.

  "It's not easy to capture Ulju now." Zhou Nan casually picked up a small pebble beside him and threw it into the river not far away. Although Zhou Nan said this, his eyes lit up. Then he asked Li Feixing: "If you want to cut off the connection between the Great Song Dynasty and the Jin people on the Hebei East Road, so that they cannot trade and trade, what should you do?" ”

  Li Feixing followed Zhou Nan's side, knowing that Zhou Nan had such a plan, and now when he heard Zhou Nan ask him personally, he immediately said: "Naturally, it is from Feihu County all the way to the west, seizing the line of Feihu, Fanzhi, Yanmen County, and Wuzhou." ”

  "Why such a trade-off?" Zhou Nan seems to be interested in taking the school Li Feixing.

  "Because these states and counties are all dangerous places with border passes, there are dangers to defend, and there is no risk of loss, which is the most conducive to the tactics of our Wansheng army. Another point is that there are not too many soldiers and horses used, 20,000 horses are enough! Since Li Feixing knew that Zhou Nan had the idea of grabbing territory to the west, he usually had nothing to do, and he often pondered it by himself, so he was naturally confident now.

  I have to say that Li Feixing's ideas are basically in line with Zhou Nan's previous thoughts, but there are slight differences. Zhou Nan envisioned that after leaving the Taihang Mountain in the west, he would follow the border line between Song and Liao, on the side of the Liao boundary, march westward, seize the pass along the way, and fight until it was connected with the Western Xia, so that the northern end of the Hebei East Road of the Great Song Dynasty was completely cut off from the Jin people.

  Zhou Nan conceived this way, but he was unwilling to invade the Song realm, so he wanted to seize a foothold in the territory of the Liao people, and these occupied pass towns faced each other from east to west, and these passes occupied were enough to cut off the connection between the Great Song Dynasty and the Jin people.

  But after Taihang Mountain, Zhou Nan realized how ridiculous his thoughts were. Unlike the North China Plain on the east side of Taihang Mountain, the terrain is dominated by plains and hills, but there are mountains everywhere. Of course, there are many passes on the border, but if you only occupy the passes to cut off the Song-Jin connection, those passes will be isolated and helpless, and the further west you go, the more helpless you become. Not to mention isolating Song Jin's contact, even his own grain and grass supply is a big problem.

  Li Feixing's unintentional sentence just now reminded Zhou Nan, that is, you can't be afraid of being a man and acting timidly, and you have wronged yourself. It would be extremely unwise for him to put his soldiers and horses in danger in order not to incur the rejection of the Jin Army and the Great Song Dynasty if he only held the idea of not breaking the status quo.

  Compared with only capturing the two counties south of Ulzhou, Flying Fox and Lingqiu, it is more beneficial for Yanjing to capture the entire Ulzhou.

  First of all, the capture of Ulzhou is equivalent to occupying the bridgehead of Taihang in the west, and there is a very suitable springboard for both the west and the north in the future. In terms of topography, Ulzhou is located between the three mountains of Heng Mountain, Taihang Mountain and Yan Mountain, and Heng Mountain is divided into two branches in the west of Ulzhou, one south and one north, enclosing Ulzhou in the middle. Such mountain basins are often easy to defend and difficult to attack.

  Secondly, after capturing Ulzhou, he also captured the Flying Fox Valley in the north, which in turn controlled Hongshan Pass and Jinpi Pass. And from Feihu County to the east of Jinpi Pass, you can pass through the Taihang Mountain and approach Yanjing City.

  In addition to its military significance, it is also important to note that Ulzhou is a trade route connecting the North China Plain with the Loess Plateau of Shanxi and the Mongolian steppe, and the passes around Ulzhou are naturally also trade routes: to the west through Lingqiu can reach Taiyuan; Through the Flying Fox Valley, through the Jinpi Pass, you can reach Yizhou; Through the Flying Fox Valley through the Hongshan Pass, you can reach Zhending; To the north, you can reach Bongsheng Prefecture and Naturalization Prefecture. Furs, dried fruits, medicinal herbs and other materials on the grassland, as well as silk, tea, porcelain, etc. from the Central Plains, will make Ulju a distribution center for material exchanges inside and outside the Guan.

  Not only is it in line with the border market that he is doing in front of him, but he can also contribute to the defense of Yanjing, and it can also be used as a springboard for troops to march west in the future, so of course a good thing to kill three birds with one stone!

  If he hadn't come here in person, and Li Feixing introduced him, Zhou Nan might have followed the original plan, led his troops westward with his head covered, and only fought all the way to Yanmen Pass on the border of the Great Song Dynasty and the old Liaoyuan. Now, of course, Zhou Nan has to make adjustments.

  When Zhou Nan was repeatedly deducing his own ideas in his heart, a person led by a pro-army from the north of the river hurriedly walked over, and that person was a member of the Eagle Guards, and when he saw Zhou Nan, he hurriedly took out a letter from his arms and handed it to Zhou Nan to check - this is the system that was set down after the reorganization of the army, and the person who transmitted the letter must have a letter issued by the general of the army as proof - and then said to Zhou Nan: "Lord Dazhai, Fourth Brother Zuo is now in Ulzhou City, those gold people and goods suddenly stopped in the city, and they didn't leave, except for drinking and having fun every day, There was no movement. ”

  "How many Jin Jun escorts are there now?" Last time, Zuo Xiaosi only said that there were 1,000 Jin Army entourage guards, and Zhou Nancai only rushed over with 300 pro-army guards. Since those Jin troops came from the north, they naturally wouldn't just wander around and go back. It's just that I don't know why these Jin troops suddenly stopped in Ulju City.

  "In addition to the 1,000 Jin Army, there are also 1,000 old Liao officers and soldiers in Ulzhou City to guard them. However, because it is in the city, the guard is very loose. The Eagle Guard soldier replied.

  "Tell Fourth Brother Zuo and let him try to find out, and if the convoy leaves Ulzhou, he will send someone to deliver the letter. If you don't leave the city within five days, you will even grab Ulju City! ”