Wanyan Zongbi was very conscientious, and the hundreds of thousands of Jin troops he led also firmly blocked the imperial army from the Great Wall.

Within the defense line of the Great Wall, more than 200,000 of the most elite Jurchen tribal armies of the Jin Kingdom constantly patrolled between the passes, and as long as they found the Great Wall to warn, they would rush to kill them as quickly as possible, and finally force the imperial army back.

Although the people of the Jin Kingdom did not dare to release Haidongqing to reconnoitre, they could always find the attack point of the imperial army at the first time by relying on a large number of cavalry scouts and countless beacon towers on the Great Wall.

Wanyan Zongbi lost important towns such as Zhongdu and Datong Mansion, but he successfully saved the situation, which made Jin Xizong, who was drunk every day, Wanyan Yanlong Yan Dayue, not only punished him, but also sent a decree to commend him.

There are many famous military lines in the history of the world, such as:

The greatest and most spectacular in history, the Great Wall of China with the city wall as the main body, and a large number of cities, barriers, pavilions, and beacons combined with the defense system.

After the First World War, France built Maginot fortifications in the northeastern frontier area to defend against German invasion.

** The Siegfried fortification system built by Germany in the western frontier area of its western frontier against the French Maginot Line.

and the Bar-Lev Line, which Israel built in order to occupy the Sinai Peninsula for a long time after the Third Middle East War, and so on.

Among them, the Maginot Line also has another nickname, that is, the most expensive but useless fig leaf in history.

The Maginot Line cost 5 billion francs, and the main body of the defense line was hundreds of kilometers, and the main part was in Thionville in eastern France.

Built before the Second World War in the east of France, this fortification is made of reinforced concrete and is very strong.

Inside the line of defense there were all kinds of artillery, trenches, forts, kitchens, power stations, hospitals, factories, etc., and the passages were extended in all directions, and there were tram passages in the larger fortifications.

It can be said that the offensive and defensive posture of the empire and the Jin country today is similar to that of Germany and France in later generations, and the Jin country used such a defense system comparable to the Maginot Line to block the imperial army from the border.

A similar situation made Emperor Li Nan can't help but think of the battle between Germany and France that year, and also thought of the Germans' way to deal with the French Maginot Line------ bypass!

The completion of the Maginot Line forced the German army to avoid the front of the German-French border and choose another direction to attack France. Later, the main German force passed through the Ardennes, detoured from the left flank of the Maginot Line, broke through the Daradian Line near Montmedy, occupied northern France, and then advanced to the rear of the Maginot Line, completely rendering the line useless.

The area where the empire and the Jin state are now in a stalemate is in the Beijing Road area of the Jin state, with the territory of the Western Xia Kingdom to the west and the Bohai Bay to the east.

If the empire wants to bypass the Great Wall defense line of the Jin Kingdom, it is natural that the only way to travel by land is to use Western Xia, but this is difficult to do.

Since the empire directly annexed Qingtang, it also means that it has officially torn its face with the Western Xia Kingdom, whether it is the people of the empire, or the Western Xia government and the opposition, they all know that the more and more powerful Chinese Empire, the next target must be the Western Xia.

Li Qianshun, the lord of the Western Xia, and the soldiers and civilians of the Western Xia, although they knew that the empire would attack their country in the near future, they did not dare to take the lead in provoking the war.

At present, the Western Xia State divided the country's military strength into two parts, the first is to station heavy troops in the territory adjacent to the empire and the Western Xia to prevent the imperial army from attacking. The second is to send generals to attack in the direction of the Western Regions, and prepare for the migration of the whole country after the defeat.

At a time when the diplomatic relations between the two countries were so bad, the imperial army was not to mention that it was an excuse, even if it was close to the border of Western Xia, it would cause a major war between the two countries, so this matter was inappropriate.

Excluding the frontal attack and the Western Xia route, the best way left is to transport troops by sea, bypass the defense line of the Great Wall, and directly attack the hinterland of the Jin Kingdom.

The Jin State was not good at shipbuilding, and at present, in Asia, the Chinese Empire relied on three fleets to firmly control the sea power.

Now that the general direction of the war had been determined, Li Nan also ordered the three major fleets of the empire in the East China Sea, the Yellow Sea, and the Pacific Ocean to be summoned to Dengzhou City on the shore of the Bohai Sea.

Since the commanders and generals of the three fleets of the Imperial Navy were basically their lovers, this meeting was not like an imperial military meeting, but very much like a family gathering, which made the Minister of the Interior Tyrion, the commander of the cavalry corps, Han Shizhong and Spartacus, who came to the meeting together, seem a little uncomfortable.

After all, state affairs are important, Li Nan also put aside the intention of being happy with the women for the time being, pointed to the map on the table and said: "The coastline of Jin Country is also very long, since our army has decided to cross the sea to attack, then we need to find a landing point, as well as a specific attack range." Let's all share our thoughts. ”

When it comes to understanding the coastline of the Golden Kingdom, Asha, the commander of the Royal Navy's Yellow Sea Fleet, can be said to be the most familiar one.

This female pirate from the world of ice and fire is responsible for leading fleets to patrol the coastline of this area in normal times, and if she finds that Jin and Goryeo are trying to build a shipyard by the sea, she will immediately order the fleet to attack.

In addition, Asha's pirate style has also influenced the fleet navy under his command, and they also lead fleets to attack coastal cities and villages in Jin from time to time, and if the Jin people choose one of the most hated imperial generals, Asha will definitely be qualified to compete for the top three.

Li Nan asked the right question, Asha looked at the map and introduced: "The coastline of Jin Country includes the area of Bohai Bay, and the coastline of the 3,000-mile Whale Sea after bypassing Goryeo, among which there are countless places where you can land. ”

"You can't land from Bohai Bay." Spartacus pointed to the map of the Great Wall's defense line and the territory of the Jin Kingdom near the Bohai Bay and explained: "These landing sites are too close to the Great Wall, as long as the Jin defenders along the coast warn, the cavalry troops of the Jin State will arrive quickly, and the blow to the landing force will be fatal." ”

Spartacus is right, if you land from this coastline, it will have the same effect as breaking through a certain section of the defense line of the Great Wall, and the number of troops landing from the sea will not be too much, and it will definitely not be able to resist the encirclement and suppression of the Jin State Iron Cavalry, and it will be even more difficult to retreat.

Since the area of Bohai Bay cannot be landed, everyone's eyes followed the map to the area of the Whale Sea, where the coastline is long enough, and there are many more options for landing and attacking.

"It's not a good landing spot in this area."

Asha said with some embarrassment: "In the past, I often led fleets to attack the Jin country towns along the coast of the Whale Sea, so the defenders here have increased a lot, and this is the fief of the Jin country tribes, and a large number of cavalry are stationed, and their reaction speed is very fast, so I suggest that I choose the coast further north for landing." ”

"Not in the north." Li Nan vetoed the coastline in the far north, at a time when the north had not yet been developed, and even if the imperial army landed from there, there were no targets to attack nearby, and it was extremely difficult to march.

Everyone discussed, discussed, and disagreed, and found that there was no more secure landing point, until Mrs. Qing pressed her hand on an area on the map, and everyone quieted down.

This area is not unfamiliar to Li Nan and others, it is the Goryeo Peninsula that extends into the sea and is connected to the territory of the Jin Kingdom.

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