The territory of the Kushan Empire is very large, and it is all plains, rich in resources, and rich in land, no less than the Central Plains of the Han Dynasty, and the oil resources there are more abundant, which can be said to be a rare treasure land.

Although oil is not needed now, it will definitely be used in the future, and if the West Asian region can be occupied, it will certainly be of great benefit to future generations.

It's just that the Han Dynasty is separated from Central Asia by a Tianshan Mountain Range, and the Western Regions are too vast and barren, so the Han Dynasty has no ability to send troops to Guishan at present.

After discussing with Zhuge Liang, Liu Chan decided to ignore the affairs of the west first, but to unify the country first.

Today, Dahan owns most of Jingzhou, complete Jiaozhou, Yizhou, Liangzhou, Yongzhou, the newly established Shuozhou, and Yanmen County, which is temporarily under the jurisdiction of Shuozhou. In addition, there are also the Western Regions in the west and Xianbei in the north, which are all fetters with the Han and are controlled by the Han.

There are many people in Yongzhou who do not know its territory, Yongzhou is very large, under the jurisdiction of the three auxiliary places in Guanzhong, respectively, the left Fufeng, the right Feng Xu, Jing Zhaoyin. There are also five counties in Longyou, namely Longxi, Tianshui, Nan'an, Guangwei, Anding, in addition, there are two counties in Xinping and Beidi located in the north of Guanzhong.

In the past, Liangzhou's Beidi County was very large, but later because the north was taken by Xianbei, Beidi County shrank greatly, less than one-tenth of the original.

In addition to the four counties of Hetao, there are Shangjun and Beidi County of Liangzhou.

Because the name of the county is the same, after Liu Chan returned to Chang'an, he merged the Beidi County belonging to Yongzhou into Xinping County and merged it into one county, called Xinping County.

Today, the land of the Han Dynasty, including the Western Regions, is three or four times larger than that of Wei in terms of area, but the plains suitable for human habitation and arable land are comparable to those of Wei, or even less than Wei.

However, the border of the Han Dynasty is mostly grassland, with a large number of pastures, which will provide a steady stream of cattle, sheep and horses for the Han Dynasty.

And since the Wei State lost Liangzhou, Budugen rebelled, and Kebineng fell to the Han Dynasty, it completely lost the source of war horses.

The border between the Han and Wei is even longer, but there are only a few places where you want to attack Wei.

The first is to attack Nanyang from Jingzhou.

Second, attack Tongguan from Guanzhong.

The third is to attack and merge the state from Yanmen.

Fourth, troops were still sent from Jingzhou, but instead of fighting Nanyang, they attacked Jiangxia from Jiangxia of the Han Dynasty to attack Jiangxia of Wei, and then attacked Yuzhou from the north.

These three places, Tongguan from the pass is the most difficult to fight, because Tongguan is currently guarded by Sima Yi, he is a well-known good general, and Tongguan has sufficient troops, and it is a famous dangerous pass, if you want to take Tongguan, the difficulty is no less than climbing Mount Everest with bare hands.

And from Yanmen Pass to the south to attack and merge the state, the difficulty is actually not big, although there is the danger of Taihang Mountain, but Taihang Mountain is a north-south direction, not an east-west direction across the south of Yanmen Pass, as long as there are sufficient troops.

However, it is a pity that Shuozhou has just been established, and the people have just been liberated from the hands of Xianbei, and there is still some pressure on self-sufficiency, and it is obviously impossible to have sufficient food and grass to supply the army to fight.

Therefore, this road of sending troops can only be temporarily abolished, and it will take three or five years for the people to settle down and hoard enough military rations before they can use the troops.

As for Jiangxia from Jingzhou Jiangxia to attack Wei, it is not easy, although Jingzhou has sufficient troops, but Jiangxia is divided into Han, Wei, and Wu, and now Wei has formed an offensive and defensive alliance with Jiangdong, if you go north from Jiangxia to fight Wei, Jiangdong will definitely intervene, although the Han can be one enemy and two, but can not concentrate on dealing with Wei, after all, there is some trouble.

Therefore, there was only one last way to send troops, from Jingzhou to the north to attack Nanyang.

This strategy of sending troops has been designated before, from Xiangyang to the north to attack Fancheng, Guanzhong soldiers and horses out of the pass, cut off Wancheng reinforcements, after going down to Fancheng, you can go north to Wancheng, after taking Wancheng, you can attack Cao Cao's nest Xuchang to the east, and Luoyang, the capital of Wei, to the north.

On this road of sending troops, Guanzhong can also send troops to carry out a flanking attack, because it is in the mainland, Wei has no foreign aid to help.

If it succeeds, the benefits obtained are even greater, directly threatening the capital of Wei and attacking the city of Luoyang, and the blow to Wei is unimaginable.

Listening to Liu Chan's words, Zhuge Liang muttered: "Jingzhou has been truces for several years, and countless grains and grasses have accumulated, I don't need to send many soldiers and horses in Guanzhong, I only need to send a cavalry to cut off the Wei reinforcements, and these are enough to be supported by Jingzhou."

As the saying goes, Xiangyang is beaten with iron, Fancheng is papier-mâché, and now Wei has obtained cement, if they use cement to recast the walls of Fancheng, as long as there is enough grain and grass in the city, our army will not be able to capture it at all.

At present, Wei is still repairing the pass in the state, and the defense of Jingzhou is insufficient, so it is naturally best to send troops this year, and the sooner the better. ”

Since Jingzhou has not had a war for several years, and it is very rich, the hoarded grain and grass are almost moldy, so Zhuge Liang does not have to consider the problem of grain and grass at all, even if Guanzhong wants to send troops to attack, it is not a problem to use Jingzhou's grain and grass supply.

Therefore, Zhuge Liang suggested that the sooner the troops were dispatched, the better, because Wei had already developed cement, and if they used cement to repair Fancheng, it would be too difficult to take Fancheng.

Liu Chan nodded and said, "I will write to Guan Ping and ask him to prepare early." As for Guanzhong, the cavalry was transferred to Shuozhou, and there was no cavalry in Guanzhong at the moment, so I wrote to Liangzhou Pang De and asked him to lead 10,000 cavalry to help. ”

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In Tongguan, which is hundreds of miles away from Chang'an, Sima Yi is sitting in the study at the moment, looking at the map on the table.

Sima Yi's mood was not good, Liu Chan came back from Shuozhou in the early stage, Wei suffered heavy losses in northern Xinjiang, lost Yanmen Pass, and the Youzhou cavalry was destroyed, which was still secondary, and the most important thing was the loss of Ma Yuan.

However, fortunately, Shuozhou was newly established, and it was not a few years before the Han Dynasty took Guanzhong, and there was a shortage of grain and grass, so the Han army could not take advantage of the victory to march. And Jiang Ji obtained the formula for cement from Chang'an, and Wei is now developing cement on a large scale, which gives Cao Rui hope.

But Sima Yi's mood was even heavier, because Liu Chan had retreated from the state, and there would inevitably be a new military action. Liu Chan would not give Wei a chance to strengthen the city walls.

After studying the map for most of the day, in the evening, Sima Yi finally had the result, immediately repaired a book, wrote down his thoughts and countermeasures, and sent someone to Luoyang overnight to hand it over to Cao Rui.

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