Thousands or even tens of thousands of soldiers and horses, relying on intrigue and trickery, can quickly defeat the enemy.

But a large army of more than 100,000 soldiers and horses fights, unless the main general is too mediocre. Otherwise, it is simply impossible to simply rely on sneak attacks and set up ambushes to simply and directly defeat the enemy army and achieve victory.

Because the large army of more than 100,000 people, whether it is marching or camping, the army is divided into several parts, covering an area of several miles, more than ten miles, echoing before and after, and orderly left and right.

At the same time, they will also send forwards to explore the way, and send spies to search and investigate, so that there is time to warn the Chinese army.

With so many people searching, it is basically difficult to hide the army from being discovered by enemy spies.

Sending a small number of troops to a long distance is not impossible, but the risk is high.

If you want to run a long distance, you must be able to do it with elite troops.

Once discovered by the enemy, what if you have vigilance?

After a long run, the troops were already tired. Once the sneak attack was unsuccessful, the enemy waited for work, and the attacking troops could not even escape, and were directly annihilated by people.

Not to mention the defeat of the troops, it is easy to affect the morale of the whole army. What's more, the elite troops are all dead, which seriously affects the combat effectiveness of the army, how can this battle be fought!

Of course, in addition to spies and wariness of accidents, the most important thing is food, or logistics.

Many people may wonder if soldiers need to consume food every day.

Why is there a war that costs so much?

Why were those civil officials and emperors in ancient times so afraid of war, and sometimes they preferred to spend money to buy peace?

This is because, in the event of a war, soldiers have to go to the front. It can take months, if not years, to end the war.

Not counting the population decline caused by the death in the war.

Soldiers fight every day with effort, need to eat, and need equipment to replenish damage.

So where do these food apparatus come from?

Of course, it was to be transported from the rear.

During the Huaihai Campaign, the Red Army mobilized 600,000 regular troops and 400,000 militiamen.

In order to ensure the supply of materials to the front line, the Red Army dispatched a total of 5.43 million migrant workers, including 220,000 standing migrant workers with the army, 1.3 million second-line migrant workers, and 3.91 million temporary migrant workers in the rear;

There were 206,000 stretchers, 880,000 large and small vehicles, 305,000 pickers, 767,000 livestock, and 8,539 boats, and 960 million catties of grain were raised, and 434 million catties of grain were transported to the front line.

After the victory in the Huaihai Campaign, the marshal once said affectionately: "The victory in the Huaihai Campaign was pushed by the masses of the people in small carts. ”

So many people are needed in modern times, let alone in ancient times.

In ancient times, there was not enough meat to replenish food, and if a soldier went on an expedition, he needed at least 2 stone of grain a month to ensure that he was full and had the strength to fight.

If it was a three-month march, a soldier would need 6 stone of food.

Now Shi has sent 100,000 soldiers, and in order to ensure the supply of grain, at least 600,000 stone of grain needs to be prepared, which is about 60 million catties of grain.

And that's just food, not counting arrows, armor, medicine stones, and other necessary supplies.

A soldier has to march, has to take care of his own weapons, and has to think about sudden outbreaks of battle, so he can go on the road with five days of food at most.

Otherwise, let alone fighting, those food and equipment alone can directly exhaust an army.

And what about so much grain?

In ancient times, if 100,000 soldiers and horses were sent on an expedition, at least 300,000 or 400,000 laborers were needed to help transport the materials in order to ensure the transportation of the materials.

However, if there were horse-drawn carts and ox-carts, labor could be greatly reduced.

As for the so-called million-strong army in history, they are basically civilian officials who do not understand military affairs, and they directly count the labor of transporting materials, grain and grass.

The regular army is only afraid that it will be two or three hundred thousand at most!

The people were recruited, and there was no way to cultivate except that the people needed to leave what they were doing to complete the conscription. These people also needed to consume food (in many dynasties, the people served their own food. But under normal circumstances, the people serve as servants, and the court has to be tax-exempt, so in the end, the people eat is still the court's).

The longer the battle line, the more difficult it is to transport supplies, the more people need to be mobilized, and the more food is consumed.

Moreover, except for a large part of so many grain materials that were advanced with the army, several granaries were set up for storage.

The longer the battle line is extended, the easier it is for the food delivery team to be attacked. Guards are needed everywhere, and troops are divided everywhere.

The more granaries you set up, the easier it is for the enemy to spot a sneak attack.

The food consumption is huge, and those broken weapons, medicine stones, and post-war bounties are a huge expense!

Emperor Wu of the Han Dynasty attacked the Xiongnu in the north, greatly expanding the territory of the Han Dynasty, but at the same time, he also spent the savings of three generations of emperors and emptied the treasury.

It is also the fundamental reason why so many Wenchen emperors were unwilling to go north to attack the nomads in ancient times, the cost is huge and the return is small!

In order to ensure the grain, grass and ordnance for this expedition, Shi Jin has almost spent all the reserves in the past few years.

Nearly 80 million catties of grain were prepared, which were purchased from Shandong, the south, and even Champong.

The population of Liaodong was originally small, and Shi Jin could not transfer so many laborers. Otherwise, there is no need to fight, the people of Liaodong themselves will revolt and resist first.

In order to ensure the transportation of materials, Shi Jin transferred 5,000 horses into carriages, recruited 20,000 people, and 5,000 slaves. He also sent Tai Sui Ruan Xiaoer and Chi Xu Long Fei Bao to lead nearly 50 large and small ships to escort supplies by sea day and night.

This ensured the supply of materials for the army.

The Liao State dispatched 200,000 troops, which required a huge amount of materials.

In the past, when the Liao State went out to fight, the situation was that logistics supplies were not organized, and according to the military system of the Liao Dynasty, "the men and horses were not given grain and grass, and the men and horses were sent to ride on grass and horses every day, and they went out to plunder for them."

But this is before, when you were at war with an enemy country, of course you could do that.

But now the Liao State can be said to be fighting in its own "home country", and it has to be somewhat scruples.

It is precisely because of this that in order to prepare grain and grass, it took nearly half a year for the Liao State to prepare the grain and grass for 2 months of the army.

These massive quantities of grain and grass were prepared by both sides of the war with great painstaking efforts, and once defeated, years of hard work were in vain.

It is impossible to prepare so much grain and grass in a short period of time.

Who would dare to take risks in such a situation?

However, anyone who can become a famous commander will not risk putting the whole army in such a high-risk decision as shaking the dice and betting on the size of the game, and will strive to win after being undefeated.

Therefore, as long as it is a large corps battle, the main generals and marshals are mainly positive, supplemented by odd.

Facing off head-on, when you see that you can't defeat your opponent head-on, you will seek a good opportunity to break the enemy.

Just like the Battle of Guandu, Cao Cao also confronted Yuan Shao head-on for several months. Then Cao Cao took the opportunity to sneak attack the granary, only to defeat Yuan Shao.

Just like the Battle of Chibi, the Sun-Liu coalition army also confronted Cao Cao head-on, and then designed to burn Chibi before defeating Cao Cao.

Just like the Battle of Yiling, the Wu army also confronted the Shu army in the front, and then there was a fire for 600 miles and Liu Bei was defeated.

Wu Yanguang, the commander of the Liao State, knew that once he was defeated, the Liao State was in danger of being destroyed.

Shi Jin, the commander of the Dingxiang Army, knew that once he was defeated, he would be driven back to the Great Song Dynasty. Now that the Great Song Dynasty has pacified Fangla, there is no longer the opportunity to seize Shandong as easily as before left to Shi Jin.

It was precisely because the consequences of defeat were not something they could bear, neither Wu Yanguang nor Shi Jin would implement such a risky strategy of a long-distance attack. They all chose to work steadily and step by step!

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