When the news came, Cao Liang happened to be still on duty in the palace, and he saw that the officials of Shangshu Province were all panicked, and they trotted all the way to report to Cao Shuang.

It's no wonder that these officials in Shangshu Province will behave inappropriately, these officials who have been newly promoted by Cao Shuang are all Cao Shuang's cronies, and it is okay to talk about mysteries and discussions, but when it comes to military affairs, they are blind and can't figure out anything.

In fact, it's not just these cronies, even Cao Shuang himself, can he withstand the experience of the battlefield?

Cao Zhen is a rare general, deeply used by Cao Cao's ancestors and grandchildren, and has become a generation of famous generals.

Although Cao Shuang was promoted to a general, he had never had experience on the battlefield, so he was naturally a little confused about the military information transmitted back from the front, and hurriedly summoned a group of henchmen to discuss countermeasures.

And the news quickly spread all over the inside and outside.

Quan Cong, the general of Eastern Wu, led 50,000 troops to attack Huainan? Cao Liang was obviously a little surprised when he heard the news, was there a mistake? In history, the incident of Eastern Wu sending troops to attack Huainan should have happened in the second year of Zhengshi, which Cao Liang did not remember.

Why did this attack advance by a whole year, Cao Liang was a little puzzled, his crossing, so far, has only affected Cao Wei's side, and it is also limited to the Luoyang area, but to his surprise, the attack of Eastern Wu will also be advanced, can it be said that his influence has really expanded Jiangdong?

Or is it really the butterfly effect at work?

The wars between Wei and Wu are frequent, and since the Battle of Chibi, the wars have been continuous, both in terms of the scale and the number of wars, which are far more than the wars between Wei and Shu.

Later generations were influenced by the Romance of the Three Kingdoms, and believed that the war between Wei and Shu was the main tone of the War of the Three Kingdoms, but in fact, it was a big mistake, in the eyes of the Wei people, they had always regarded Eastern Wu as a major trouble, and deployed heavy troops in Jingzhou and Huainan to prevent the attack of Eastern Wu.

Before Zhuge Liang's Northern Expedition, the entire area west of Chang'an could be called an undefended zone, so that Zhuge Liang's first army out of Qishan, Lianke three counties, such as into a no-man's land.

It was not until Zhuge Liang attacked again and again that Wei paid attention to the northwest front, sent troops to garrison it, and overhauled fortifications, but despite this, Wei's attention to the northwest front was lower than that of the southeast front.

Compared with the few wars between Wei and Shu, the density of wars between Wei and Wu can be said to be quite intensive, and the two sides have come and gone, from Jingzhou to Huainan, and there are no less than twenty or thirty wars of all sizes.

There is a Qinling Mountains between Wei and Shu, this natural barrier makes it very difficult for both sides to conduct large-scale military attacks, under this kind of easy to defend and difficult to attack terrain, whether it is Shu attacking Wei or Wei attacking Shu, the difficulty of the attacking side is far greater than the defense, so don't look at Zhuge Liang's claim to be six out of Qi Mountain, but it is just thunder and rain, Sima Yi does not use any other tactics, a procrastination, and Zhuge Liang is consumed to death in Wuzhang Plain.

The border between Wei and Wu is either a river or a plain, and it is boundless, which is suitable for large corps to fight, and is the most ideal place to use troops.

The focus of contention between the two sides is mainly concentrated in Huainan.

For thousands of years, there has been such a military proverb: "Defend the river must guard the Huai." Although the Yangtze River is known as a natural barrier, the Yangtze River defense line also has its limitations, the most fatal point is the lack of strategic depth, once the enemy drinks the Yangtze River, thousands of miles of defense line will inevitably be one or the other, difficult to prevent.

Therefore, since the Chibi, the world has been seeking to seize Huainan as a barrier to Jiangdong, and Sun Quan personally led the army to besiege Hefei several times, the purpose is for this.

But Wei also regarded Huainan as its own forward base, how to be willing to easily give it up, both sides around Huainan, how many years have spared no effort to pursue, the scale of the war is getting bigger and bigger, and the number of troops invested is also increasing.

This time Quan Cong led his troops to attack Huainan, naturally by the assignment of Emperor Sun Quan of Wu, during the reign of Emperor Cao Rong of Wei Ming, Wu State had launched several attacks, the most famous of which was the "Battle of Shiting".

The Battle of Shiting was a great victory for the Wu State, and it was also the first victory for the Wu State since the Battle of Chibi. That time, Wu State Poyang Taishou Zhou Fang designed a fraudulent surrender, Cao Xiu, the governor of Wei State, did not listen to Jia Kui's dissuasion, led his troops to advance lightly, unfortunately fell into Lu Xun's ambush, that battle Wei army lost 10,000 people, casualties, Cao Xiu was not rescued by Jia Kui, who set up suspicious soldiers in Jiashi, I am afraid that even his life was confessed to Shiting.

If the Battle of Chibi laid the foundation of the Three Kingdoms, the Battle of Shiting redefined the Three Kingdoms, and even dominated the direction of the Three Kingdoms decades later.

Sun Quan coerced the remnants of the Battle of Shiting and brazenly proclaimed himself emperor in the second year, making the Three Kingdoms a pattern of three emperors ruling the world in a real sense.

Zhuge Liang also went out of Qishan in this year, and in the following six consecutive years, he made several northern expeditions, burning the war all over Longyou.

As for Cao Wei, after the battle of Shiting, Cao Xiu died not long after due to the recurrence of his back injury and the shame of defeat. As soon as Cao Xiu died, it was undoubtedly worse for the Cao clan, whose talents had already withered. Originally, a Cao Xiu held the southeast, a Cao Zhen held the northwest, and Cao Wei's military power would not fall into the hands of others, but this time Cao Xiu died, and the Cao clan had no one available, so Cao Rong had to appoint Man Chong as the governor of Huainan and hand over the military and political power in the southeast to the people of the wealthy family.

A few years later, Cao Zhen died of illness, and Cao Rong had no choice but to use Sima Yi to fight against Zhuge Liang.

Therefore, the influence of the Battle of Shiting is extremely far-reaching, this time the Eastern Wu raised troops again, naturally wanted to replicate the glory of the Battle of Shiting again, of course, Sun Quan had greater ambitions, that is, to annex the entire Huainan, push the defense line of the Eastern Wu to the front line of the Huai River, and at the right time, wave the Northern Expedition and enter the Central Plains.

Sun Quan has been the emperor for ten years, this eloquent lord of Jiangdong obviously does not want to only be the emperor in Jiangdong for the rest of his life, an emperor in a corner of the country is not a good emperor after all, he has always been eager to wave his army to the north and win the Central Plains.

Cao Ei's death and the discord between the ministers of Cao Wei's court seemed to give Sun Quan hope, so there was this battle of Huainan.