After the Turks were divided into the eastern and western regions, the eastern Turks still had a very strong military strength, which caused great pressure on the Sui and Korean borders. After the accession to the throne of the Eastern Turkic Dulan Khan, Yang Jian supported the rebellion of the Qimin Khan. After the defeat of Qimin, Yang Jian immediately greeted Qimin ceremoniously, recognized his status as the Great Khan of the Eastern Turks, and at the same time allowed him to establish a state in the southern steppe of the Great Sui Desert, and used the people of the Great Sui to build Baicheng for him, which was the court of the Southern Turkic Khan. Since then, the Eastern Turks have been divided into two parts, the north and the south.

At this time, the Great Sui had completely unified and had the upper hand in the confrontation with the Turks. After the death of the Turkic Dulan Khan, the Western Turks attacked the Qimin Khan several times and harassed the Sui border. The Turkic Abesli and others crossed the Yellow River south and plundered 6,000 men and women and more than 200,000 livestock under the Qimin Khan. Yang Su, the marshal of the march of the Sui Yunzhou Road, led the troops to pursue, broke the army of Abesili and Jin, and recaptured all the captured population and plundered animals. At that time, many Turks surrendered. Changsun Sheng also suggested that the Qimin Khan send a number of envoys to the north to appease the Tiele tribes. More than 10 tribes of Tieler, including Sijie, Fuligu, Hun, Husa, Abba, and Servant Gu, betrayed the Datou Khan and attached themselves to the Qimin Khan. 5 departments such as Xi and Xi also moved inward. Datou Khan went west to Tuguhun and disappeared from history. The Khan of Qimin took the tribes of Datou under his command. Changsun Sheng sent Qimin Khan to move north to make it easier for him to administer the entire Eastern Turkic Khanate.

Qimin Khan died of illness in the fifth year of the Great Cause, and Yang Guang "abolished the dynasty for three days" to show his mourning. He appointed his son Duji as the Khan of Shibi.

A few years later, Shibi Khan unified the eastern Turks and became the biggest border trouble of the Great Sui, and in August of the 11th year of the Great Cause, he led hundreds of thousands of cavalry to the south and attacked Yang Guang who was patrolling the north. Since then, the Sui Dynasty and the Eastern Turks have been opposed again, but at this time, the internal uprisings of the Sui Dynasty broke out frequently, and the internal strife and division seriously weakened the national strength, while the Eastern Turks turned strong due to internal unification, starting from Khitan and Murwei in the east, and Tuyuhun and Gaochang in the west were all subjugated to the Eastern Turks. There are more than 1 million people in the Eastern Turks, reaching an unprecedented level of strength that "Rong Di is blazing strong, and it has never been seen before".

After that, Shibi Khan transferred the Changsun Sheng's deal with the Turks to the Great Sui, and he set up Liu Wuzhou who had cut off Yanmen as Dingyang Khan, and Liang Shidu who gave Shuofang to divide the Luo Tou, and was named Dadu Viga Khan, and later called the Son of Heaven. and sent troops to help Liang Shi to defeat the eight counties of Yongbei; After that, Guo Zihe, who broke through Wuyuan County and occupied Yulin, also attached the Turks to the north, and Shibi Khan was named the son of Pingyang, and Xue Ju, Li Rail, and Li Yuan also successively declared themselves to the Turks.

It was not until Yang Tong was born that he curbed the momentum and sinister intentions of the development of the Eastern Turks, first broke through the southern Turkic Khan's court, and then killed hundreds of thousands of troops including Shibi Khan's father and son in Mayi, and then divided the Eastern Turks into three, and then, led the army to invade the steppe many times, killing the eastern Turkic steppe with a river of blood, so that Jieli Khan shrank in Dujin Mountain and licked his wounds silently.

On the day of his accession to the throne, Yang Tong led the Sui Fifth Army and slaughtered his headquarters and loyal to him to the point of corpses and rivers of blood. Finally formed an army of 100,000 to go south, and was completely annihilated by Qin Qiong and Ashina Simo on the Mobei grassland, at the same time, the interior was plagued by Xue Wanche and the remnants of Rouran, and then, because of the fire storm of the slave trade of the Sui Dynasty, Ashina Simo repeatedly invaded the grassland, plundering the population and livestock of the various departments under Jieli's rule, making its power smaller and smaller, retreating more and more north. Compared with the prestige of the army in history, life is like hell.

But today, what is the purpose of the urgent letter sent by the Great Sui spies who infiltrated the Eastern Turks?

Yang Tong hurriedly read it, and the urgent letter said that Jieli Khan was preparing to unite with the Western Turkic Khan to protect the alliance with Jinshan, and the two were very likely to attack the Great Sui, which made Yang fall into deep thought.

The Great Khanate established by Ashina Tumen was divided into east and west, and the two developed separately, and then under the management of the Sui Dynasty, the two fought each other and formed a deep hatred.

The Eastern Turks were once powerful, but now they have been suppressed by Yang Tong, and they are miserable. And this Western Turk, during the period of the Second Emperor Wenwu, had a very difficult time, and the newly established khan was from time to time by the little khan supported by the Sui Dynasty.

After the defeat of Datou Khan, Chuluo Khan became the supreme ruler of the Western Turks, but this person had no way to govern the khanate, and his subjects rebelled. In the first year of the Great Cause, he sent troops to attack the Tiele tribes, seized their belongings, and suspected that the Xue Yantuo tribe had changed, and killed hundreds of its chiefs. Therefore, all the tribes of Tiele rose up against Gerlo and defeated him many times.

In the fifth year of the Great Cause, Yang Guangxi patrolled and summoned Luo Khan to the Great Dou Pull Valley, and Luo Khan did not come. Yang Guang was furious and used Pei Ju to induce the Western Turkic Khan to attack Luo Khan. He was defeated and fled to Gaochang. Then he made a pilgrimage to Sui Jing from Luo Khan. In the first month of the second year, Emperor Yang sub-office Luo Khan attached to the subordinates into three parts: his younger brother Que Dushe led more than 10,000 old and weak people to live in Huining; The special service Ashina Danai (Shi Danai) led the rest of the people to live in the building; The feudal Luo was the Khan of Hosana, and he led 500 horsemen to patrol from the emperor.

After the return of the Luo Khan to the Sui Dynasty, the Western Turks set up their uncle to shoot the Khan as the main one. The Khan opened up his territory, stretching from Jinshan in the east to the Aral Sea in the west, and all the countries in the Western Regions west of the Sui realm were attached to him. Its royal court is located in Sanmi Mountain in the north of Qiuzi. The Khan died the year before and was succeeded by his younger brother Yehu Khan.

Tongye Hu Khan was wise and brave, good at commanding operations, leading hundreds of thousands of people to control the strings, merging Tiele in the north, rejecting Persia in the west, and connecting Zobin in the south, dominating the Western Regions. Moved the royal court to the city of broken leaves in the north of Shiguo. And awarded the king of the Western Regions the title of "Jielifa", and sent a person from Tutun to each country to supervise and collect tribute. This was also the period when the Western Turks were at their strongest.

Yang Tong knew that the Eastern Khan Jieli and the Western Khan Tongye Hu were both ambitious guys, and the two were equal in strength in history, one wanted to conquer the other, and they were inextricably fought, but now, the Eastern Turks were pitifully weak, and with the heroic temperament of Jieli Khan, it was very likely that when the alliance was met, he would choose to surrender to the Commander Yehu, so as to use the power of the Western Turks to commit the Great Sui. A 'great unification' of the Turkic Khanate was by no means a good thing for the Great Sui.

"Your Highness, Jieli is making trouble again?" Yang Gongren saw that after Yang Tong read the letter, his face became quite ugly, and he asked with concern.

"What an eventful season!" Yang Tong handed over the urgent letter in his hand. After everyone looked at them one by one, he asked in a deep voice: "Let's discuss it carefully, what should we do about the Turkic matter?" ”

Fang Xuanling said: "Actually, Your Highness doesn't have to worry too much!" ”

"Oh? How do you say that? Yang Tong frowned.

"Ashina Simo, this guy is now very inflated, and his strength is comparable to Ashina's aggressiveness. We've raised him for so long, and it's time to let him out and bite people. Fang Xuanling said with a smile.

"Do you think Anathmo can do it?" Yang Tong was very moved when he heard it, and the matter of the dog biting the dog's mouth was exactly what he wanted.

"It's still very likely!" Fang Xuanling explained with a smile: "First of all, the hatred between the Eastern and Western Turks is as deep as an abyss, and it cannot be resolved by Jieli's submission. ”

Secondly, the soul figures such as the Ili Khan and the Mupole Khan were buried in the Yanran Peak of Dujin Mountain, thus making this mountain a sacred mountain and a sacred mountain respected by the Turks, and it was the source of the soul and faith of the Turkic people. Once Ashina is subjugated to the Khan of Tongyehu, this mountain will be owned by the Western Turks, and if there are only two parts, the Eastern Turks will also be recognized. But now that there is one more Ashina Simo, the situation will be different, as long as he holds the whip of orthodoxy and denounces the Western Turks as an outlier, then the Eastern Turks, who have always prided themselves on orthodoxy, will definitely turn away from Ashina and then turn to Ashina Simo, and this result is by no means something that Ashina can afford. ”

"Third, the Eastern and Western Turks have old grievances, and there is a dispute over Dujin Mountain, which will definitely be endless, and there will be no results for a long time. And the period of their negotiation is the opportunity for our army to recover Zhangye and Dunhuang, if our army wins, it can hit Dunhuang Yumen Pass, so as to defend the pass. But the minister did not recommend fighting so far, because the battle line was too long, and it was difficult for the army to keep up, and if there was an accident, we would not be able to react. Therefore, the minister thought that it was enough to take Zhangye. Speaking of which, Fang Xuanling walked to the sand table and used a wooden pole to point at a place west of Zhangye Fulu County, which is the westernmost place in Zhangye County, which connects Zhangye in the east, Dunhuang in the west, Montenegro in the north, and Jiayu Mountain in the Qilian Mountains in the south. There is a natural passage only 15 kilometers wide between Montenegro and Jiayu Mountain, which is the narrowest pass in the Hexi Corridor and can be called the choke point of the Hexi Corridor.

Yang Tong knew that Feng Sheng, the general of the Ming Dynasty, also took a fancy to this treasure land, and after pacifying Hexi, he built a military fortress here - that is, the famous Jiayuguan. Later, after the expansion and improvement of the emperors of the past dynasties, Jiayuguan finally became the first Xiongguan in the world composed of the inner city, the outer city, the Luo city, the urn city, the city tower, the moat and the north and south wings of the Great Wall.

And now the meaning of Fang Xuanling seems to be planning to establish a defense system here.

As expected.

I only heard Fang Xuanling say: "This place guards the valley area of the Hexi Corridor with a width of about 15 kilometers from north to south, and the Black Mountain in the north of the canyon and the valley of the Zarai River in the south constitute a natural barrier for defense. After capturing the whole county of Zhangye, Weichen suggested that a strategic fortress with both attack and defense should be set up here, making it the second heavy pass after the Yumen Pass, plus the Yanzhi Pass established by Duan Decao between the Dadou Bagu Valley and Yanzhi Mountain in Wuwei County, a total of three dangerous passes in the Hexi Corridor, with this triple dangerous pass, coupled with the Fufeng Earthquake Pass, the enemy in the west will never have a way to enter the pass. If Zhangye can be quickly captured and Chengguan can be quickly established, then it will be difficult for the Western Turks to advance even if they have a million male divisions, and more importantly, if there is a police here, Guanzhong can respond quickly, and materials can be supported nearby. ”

"It's possible! When Zhangye is captured, a tight military defense system will be built here, and the name will be Jiayuguan! "Yang Tong is as good as a stream, anyway, he doesn't have to build with his own people, and building is also beneficial and harmless.

"Of course, if the Western Turks can't react in time, and the progress is fast, they still have to recapture the whole county. The foundation laid by Emperor Wu must not be lost in the hands of His Highness. Otherwise, how would His Highness explain to Emperor Wu and the world? ”

"Makes sense!" Yang Tong smiled, and then asked, "Is there a fourth?" ”

Fang Xuanling said: "Fourth, the elite force of the Tongye Hu Khan is about 400,000, but he needs to leave some people to guard the headquarters and deter the countries of the Western Regions, and the troops that can be used are at most 300,000, but from Broken Leaf City to Wuwei, there are thousands of miles away, and the military rations consumed by the 300,000 army every day will drag him down, so the number of troops he can use has dropped again." And Anassimo's strength has swelled to 120,000, and after the training of General Qin Qiong, he already has a lot of combat power, if he is equipped with the armament of our army, he can completely fight with Tong Yehu to defeat both. When the time comes, our soldiers will go out of force and beat the water dogs. ”

When everyone heard this, they all smiled understandingly.

This fourth point, which is also a crucial point, is nothing more than to let Ashina Simo lead him to continue to be the cannon fodder of the Great Sui, even if he is not right, just because this army is trained by the officers of the Great Sui and instilled the concept of loyalty to the Great Sui, Anashi Simo's control over it is far less than that of the Great Sui, coupled with the inculcation of the concept of Han supremacy, which of these people wants to make contributions to the Great Sui, so as to exchange for the identity of the Han people. And the stability and sense of honor that the southern Turkic soldiers needed was not at all something that Anasmo, who was under the fence, could give.

……

(The previous chapter covers the history of grievances between the Great Sui and the Turks.) I write this so to facilitate the development of the plot in the future. Everyone has their own style of writing, and we ask for your understanding.

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