Two days later, mid-winter snowflakes fell quickly and generously, and the earth soon became covered with snow.

After the Song army set up camp, they were unable to continue digging.

Because in order to dig trenches, you first have to clear so much snow, but in the north, the snow seeps into the ground and quickly freezes the ground, making excavation work difficult.

Therefore, the Song people encountered considerable trouble in their civil engineering work, and in the end they could only temporarily repair the camp before making other plans.

During this period, what Fan Zhongyan read the most were the letters sent to them by many aristocratic families in Yanyun.

Among the four great families of Yan, except for the Liu family of Changping, the other three families tried to contact the Song army to varying degrees, and some family members even secretly came to surrender.

The troops that Di Qing blocked at Yumen Pass numbered more than 100,000, including troops from other ethnic groups such as the Jurchens, Bohais, and Shiweis. After Yumen Pass was cut off, they were forced to enter the pass through Xifengkou and finally arrived at Xijin.

The difference is that Cao Cao eventually won, and the aristocratic families in Xudu who had secretly contacted Yuan Shao did not change their allegiance and join Yuan Shao's army. Even the seized letters were burned by Cao Cao.

According to Zhao Jun's idea, with the influx of gold and silver from Japan, he could collect as much gold as possible as an anchor, and use the silver to mint silver coins, and let the School of Chemistry synthesize a synthetic silver similar to the Yuan Datou, with a face value of one kan.

Under such circumstances, the movements and military deployments of the Liao army seemed transparent to Fan Zhongyan, with no secrets at all.

Liu Liufu just happened to be the first person to take the plunge. He informed Liu Siduan about the current situation of the Liao army in Xijin Prefecture, Yuhe, Wanping and many surrounding counties.

After all, it took less than two hundred years from the first industrial revolution to the third industrial revolution. If it is managed properly and with enough luck, it may not be a dream to shorten the time by a hundred years and enter the information age ahead of time.

Because the positioning is different.

Ordinary officials from aristocratic families were completely unaware of this confidential information.

As the Song Dynasty's commerce developed over the past decade, trade prospered to a new level, and small and medium-sized trade became increasingly frequent. However, such transactions lacked something as convenient as Jiaozi.

A large number of officials from the Constitutional Court were coming in and out of the room, constantly delivering official documents recently submitted by various departments. These were basically reports on the government affairs of each department this year and various financial expenditures, etc.

Therefore, this battle was even more disparate than the Battle of Guandu in history, which naturally frightened the Yanyun family.

Yan Shu might be able to experience riding a train in his later years, but Zhao Jun felt that he might even be able to experience riding an airplane in his later years. As long as the Song Dynasty developed fast enough and as long as he lived long enough, for example, to be 120 years old, perhaps he could dream of returning to the 21st century in his later years.

The Liao people often hid in the forest, luring the Song scouts to chase them, and then attacked them with grenades or crossbows when they got close. They would then suddenly rush out while the Song army was in chaos, and only in this way could they barely win a small-scale victory.

In this way, the scouts of both sides fought for a long time, and slowly time came to the late December of the sixth year of the Qingli period.

For example, this year’s educational achievements, the road construction conditions of major infrastructure projects in various places, as well as this year’s agricultural, transportation, and technological developments, etc.

After all, in addition to relying on the Imperial Guards and the Pi Shi Army with a total strength of 200,000 to 300,000, the Liao army also had to rely on troops from other ethnic groups.

Just because of the weather, the Liao people also successfully ambushed the Song army. Taking advantage of the Song army's unpreparedness, they first launched a sneak attack with bows and crossbows, and then suddenly attacked and killed the Song army by surprise.

Thus, daily transactions below one guan (amount of money) were still mainly carried out with copper coins, while small transactions between one and fifty guan (amount of money) could be carried out with silver coins, while medium-value transactions between fifty and five hundred guan (amount of money) could be carried out with paper money.

Zhao Jun said, "In that case, let the Jiaozi Department prepare a paper currency plan, and I will modify it when the time comes."

We only need to ensure that medium-denomination banknotes are not issued excessively, that taxes can be collected, and then implement anti-counterfeiting measures, then we can solve the problem of small and medium-sized trade with increasing demand.

The larger the number of people on each side, the more the scale of the war escalated. Although a formal large-scale battle had not yet begun, small-scale wars were constantly breaking out, with dozens of Song troops often chasing hundreds of Liao troops.

Xia Song responded.

During this period, battle reports were continuously transmitted back to Bianliang. The newspapers in Bianliang updated the battle situation every day, which not only inspired the people of the Song Dynasty, but also made the civil and military officials in the court excited.

On December 20th, as the year draws to a close, the Constitutional Yuan has been very busy recently.

Xia Song had once sent his slaves to do business, so he was very experienced in business activities. Moreover, he had worked in the Three Departments for many years and now in the Ministry of Finance for many years, so he naturally understood these principles.

Liu Siduan would travel between Xijin and Danzhou under the pretext of transporting grain and fodder, and then secretly spread the news to the Song camp through other means.

Yan Shu tapped the end of his brush lightly on the table and said, "We previously established five trade routes, and trade volume has been growing every year. However, starting in the second half of this year, we've cut off trade with Xixia and Liao. That's two routes cut off at once, and I'm sure our foreign trade revenue will be significantly affected."

This is much safer than sending the message directly from Xijin Prefecture.

"There's also good news. The Ministry of Statistics has already compiled the fiscal revenue and GDP figures for the first ten months of this year. Fiscal revenue is over 11 million guan more than last year. There are still taxes from November and December that have yet to be calculated. Last year's total was 100.921 million guan, so this year's total is bound to be over 110 million guan."

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