To a large extent, this expansion was the result of the defeat of the last war and the arbitrary power of the Church, which led to a large number of power vacuums being seized by the new forces, which accelerated its internal division and power struggle, and in order to avoid the continuous expansion of internal contradictions, it had to continue to expand externally.

Fifteen years have passed since the end of the last war, and according to the frequency of the previous Northern Expeditions, taking into account the losses of the previous period and the death of the population caused by the plague, it will have to go on a Northern Expedition again in another 20 to 25 years, but if it is allowed to expand its land export rights to the north, land development and population migration will consume a lot of manpower and material resources, which can slow down the speed of its Northern Expedition.

It is not easy for a 2,000-mile radius of uninhabited land to be developed into a settlement suitable for human habitation, even in modern society, and it will take forty or fifty years for the Jinxuedi people to build a sporadic stronghold in the wilderness without a hundred or ten years.

Forty or fifty years later, Xianguo has already unified its territory, and trains and even airports will be built to Qianyue Mountain, and it will be more convenient to start at that time than to stiffen the relationship now.

It is better to send an empty favor to the Jin Xuedi people in vain, and the two sides will demarcate the border to curb their northward expansion, and at the same time strive for the import of their precious metals and materials.

After paying attention, Bai Liyan began to write a letter to inform Xiao Gongyi, suggesting that he send someone south to survey the terrain as soon as possible. However, there is also a thorny problem, there is no strong central government in the Central Plains, and no one can say it. What's more, it's a barren land thousands of miles away, and no one botheres to care.

In the end, Bai Liyan didn't bother to think about this issue, as long as it was guaranteed that Xianguo would be able to dominate the world in the future, this agreement would still be a piece of waste paper in the end.

The Central Plains sits on more than half of the planet's manned land and uninhabited land, and has mastered more advanced technological achievements and science and technology, and there is no reason not to unify the entire continental plate. Since sooner or later they will go south to annex the Jinxuedi people, this agreement itself is a fifty-year life insurance for the Jinxuedi people, and it will naturally become invalid after fifty years, so why care which government signed the agreement.

The next day, due to the collapse of yesterday's talks, Mooney was leaving, and Bailiyan stayed with him to watch the battle on the spot, first, to teach him a lesson, and second, to set a tone for future negotiations, to let them know that the hot weapons of the Central Plains had crushed them for several generations, and the condition was not that they took it for granted, and they had to be somewhat restrained.

On September 15, Bai Liyan inspected the field hospital to learn about the vaccination situation, and in view of the situation mentioned by Mooney, Bai Liyan asked him to select two people to conduct human experiments. Not without conditions, of course. If the person dies, Mooney gives him fifty hyelweiss seeds for free, and if the person does not die, Bailiyan loses fifty hyelweiss flowers he cultivated last year.

In order to avoid the error caused by the difference in the human immune system, Bailiyan selected two people to be inoculated with smallpox, and the result was just as Mooney said, the incubation period after smallpox entered their bodies was extremely short, only half a day.

The pimples begin to appear in the afternoon and evolve into a large area of chickenpox in the evening, and the disease will last for two to three days, during which there will be high fever and dehydration, and the condition will begin to subside on the fourth day, and the condition will stabilize and begin to recover on the fifth and sixth days, leaving light-colored spots on the body surface, which will gradually recede.

The test results were generally consistent with Mooney's description, which means that the Kinshidi did carry immune antibodies against smallpox, and it is unclear whether this is a genetic difference or an acquired antibody.

But at least it is certain that the Jinxuedi people did have some kind of unique immunity to smallpox, which could quickly produce an effect after smallpox invaded the human body, thereby inhibiting the replication and spread of the virus, and after producing enough antibodies, and then destroying the virus.

On the twenty-fourth day of September, a team of carriages and horses drove into Jiangquan City, Dekang County, and Du Ruixun went to the West Gate to greet him.

Thirty-five or sixteen, a middle-aged man dressed in a brocade robe stepped down from a double-wheeled carriage, and Du Ruixun stepped forward to give a deep salute

"Wu Changshi has been tired all the way, and he is fortunate."

Wu Changshi got out of the car and stretched his waist, moved his muscles and bones, and said with some difficulty

"Oops...... This way is running wildly, and the official who is turbulent almost died in the car, but he is still on the boat. ”

Du Ruixun said with a faint smile

"It's not easy to take a car, and it's not necessarily comfortable to take a boat, but it's not as important as a military affair, and Wu Changshi can send reinforcements to the king here."

"Even if there is, it is still on the way. There are many inconveniences here, so you and I should go to your house and talk about it in detail. ”

"Okay, Lord Changshi, please."

Du Ruixun led Wu Changshi to the atrium of the official residence, dispersed the idle people and sat down for a while, and Du Ruixun asked people to bring meat and rice for Wu Changshi to fill his stomach.

"Wu Changshi, please use it slowly."

"Hehaha, this official has rushed here thousands of miles away, and he has never eaten a decent meal on the road, and he has never eaten a decent meal when he arrives here, and he is still thoughtful to General Du."

"Wu Changshi's words are serious, the wine and rice are not enough, let's talk about state affairs first."

Wu Changshi nodded in affirmation, and then his left hand reached into the sleeve pocket of his right hand and took out a folded piece of yellow brocade, and asked the accompanying guards to transfer it to Du Ruixun

"This is the king's edict, General Du will know it after reading it."

Du Ruixun took the edict and confirmed that the brocade used by the king's decree was correct, so he opened it and read it carefully, and a surprise gradually appeared on his face.

"Shhh...... This ......"

Du Ruixun was suspicious, and he hurriedly asked Wu Changshi

"Lord Changshi, is this edict really from the king?"

Wu Changshi stopped his fast, swallowed the food and said affirmatively

"That's exactly what the king meant. Oh, by the way, and a letter from Sangkook. ”

This Wu Changshi should be in the toothpaste business, and he is not so neat, so he has to squeeze the following to take the initiative to reveal some news.

handed over the letter to Du Ruixun in Xiangguo's handwriting, Wu Changshi said again

"This matter must be fast, prepare the ship immediately today, and this official will go to the Xianguo Marshal's tent tomorrow to talk with him about the withdrawal of the army."

"Then is this the meaning of the king, or the meaning of Xiangguo, or the attention of Zhiguo."

"It's Xiangguo's attention, but the specific details are not clear to the official. By the way, does General Du know the strength of the Xian army? ”

Du Ruixun shook his head while reading the letter

"Two months have passed, and the strength and deployment of the Xian army have not yet been clarified, and the general suspects that the Xian army must have made a thunderous move, so he has already made the worst plan. But now it seems that it is no longer necessary. ”

At this time, Wu Changshi said again

"It's still the king's wisdom and preparation, otherwise the consequences will be unpredictable. However, the Xian army is not a good type, and the eldest grandson army is also unreliable, after General Du retreats westward, he must be cautious in using his troops, and do not be calculated by the eldest grandson. ”

Wu Changshi rest assured that as long as the Xian army was lured into an ambush, it would not be difficult to annihilate it. But the general was only worried that the Xian army might not be able to fall into the scheme, and if it really retreated, the conditions that the king promised to the eldest grandson would probably become empty words, and what should happen at that time. ”

"Then blame the eldest grandson for being too stupid, and take the blame."

……

In the afternoon of the next day, Bailiyan of Yangdu City stayed in the back hall of the atrium of the courtyard, and the prince Jiang Can respectfully held the author of the document to report on his work

"Deputy Marshal, the physiology of the Jin Xuedi people is indeed very different from that of our Central Plains people, their blood type is not any of the four known blood types, their platelet density is also ten percent higher than ours, and the red blood cells under the microscope seem to be somewhat the same, I feel that they are not human."

Jiang Can stated truthfully, and Bai Liyan was silent for a moment and said

"Got it, put the report here, go back to the hospital and stay well, don't just walk around. In addition, biological samples are retained, and all participants are strictly confidential and are not allowed to disclose them to the public. ”

"No!"

Jiang Can's army is the intention of King Xian, and in the past, Bailiyan was going to refuse, but since he discovered that the prince was abnormal, he had to start thinking about changing people to be the emperor.

In fact, it is very easy to set up Jiang Yu and Xihuan, but the difficult thing is that after his death, let Xianguo continue to follow the path of science, which requires an enlightened monarch who understands that science is productivity.

Jiang Yu is obviously not suitable, his dormant patience for more than 30 years, once it erupts, the ambition of personal will is not small, once the devil in his heart is released, it is difficult to say what uncontrollable political energy will erupt.

After Jiang Can left, Bai Liyan picked up the briefing on the table again, her eyes became extremely heavy, and then Wei Qi, who was standing on the side, interjected

"Master Hou, this Jin Xuedi is not a human being, and the blood is different from ours."

"Don't talk nonsense if you don't understand, this matter is rotten in your stomach and must not be mentioned to outsiders."

Bai Liyan's expression was serious, and Wei Qimeng stood upright

"No, my subordinates understand."

Blood was originally drawn to identify the blood type, just in case it was easy to rescue, but no one expected that the blood of two people was not one of the four major blood types, even if Rh was negative, there would be a coagulation reaction with the antibody reagents of the four major blood groups, but no. If there is one, it may be another rare blood type system, but if there are two at the same time, the probability is too small.

Moreover, the platelet density of Jin Xuedi people is much higher than that of the Central Plains people, and the shape and structure of their red blood cells are oval and concave in the middle, while the red blood cells of the Central Plains people are circular and concave in the middle, and there are very few slightly oval middle concaves, and all red blood cells will never appear in a completely oval middle depression.

From a medical point of view, oval red blood cells with the same volume have a higher water absorption capacity and dissolved oxygen rate than round red blood cells, so they release and carry more energy. It is not difficult to explain why the Jinxuedi people are one section higher in physique and strength than the Central Plains people, and it is their cells that determine the physiological functions.

Although the autopsies of the Jinxuedi people in the early years showed that they were no different from the Central Plains people, Bailiyan still began to suspect that the Jinxuedi people might not be humans, or a humanoid human, but just another creature that appeared to have the internal and external characteristics of humans.

If it is not another species, how can it be explained that their blood type, cell two indicators are abnormal, all kinds of strange problems, smallpox is ineffective for them, the only explanation can only be that the genes of the Jinxuedi people are different from humans, but most of the genes are similar to humans.

Thinking of this, Bai Liyan couldn't help but feel a chill in his heart, if he wanted to say that he had encountered aliens, he still believed it, but to say that there were four civilizations of different species on a planet, and the other two civilizations were stronger than humans thirty years ago, this probability was too high.

He even doubted that there must be other species civilizations in the universe, otherwise how could he explain the emergence of four higher species civilizations on one planet.

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