The population growth of a country is related to many aspects, and it is not simply the state that encourages more children so that the country's population can grow.
First of all, there must be enough men and women of appropriate age, so that a couple can have one person in about two years, and one million couples can add one million babies to the country, but this million babies will not be accurate data, and it is necessary to take into account the sanitary conditions and the conditions for delivery, and even the health of the mother.
Until modern times, mothers who give birth naturally are very dangerous, and there are no fewer mothers who die in childbirth, let alone in 348 AD In the era of insufficient medical conditions, adults will have no life if they have a cold, and babies with weaker resistance are in high danger as long as they get sick.
"If you want to increase the population, Dahan needs to make too many preparations."
Ji Chang was full of embarrassment, and he didn't dare to say to Liu Yan that he couldn't do it, so he could only talk about the difficulties: "First of all, food, people must have enough food at home before they dare to have more children." ” Liu Yan nodded, of course he knew this.
"Women are also laborers, and the people are not qualified to be pregnant and not participate in labor, even if they are close to giving birth."
Ji Chang was not from a family, he was a local citizen in his early years, and he knew very well what the life of a farmer was: "But there are many accidents caused by labor during pregnancy. ” To tell the truth, Liu Yan's family also farmed when he was young, and his mother also worked when she was pregnant with him, and she did the same thing as picking up and cutting rice, of course, she knew what was going on with the people's families.
Modern medicine recommends that pregnant women exercise more, saying that more exercise helps to give birth to children naturally, but exercise and labor are two concepts, and the more exercise recommended by doctors is at most to walk more, but labor is to carry heavy objects and some more intense things.
For today's people, don't expect to avoid participating in childbirth if you are pregnant, which is a blessing that only the young grandmothers of Haoqiang, family, and official eunuchs can enjoy, so the emergence of large-scale pregnant women in society is definitely a big or small thing.
Liu Yan thought of something, and asked suddenly: "How is the research on bean planting?"
Just like many modern people, Liu Yan has been exposed to too much information intentionally or unintentionally, knowing that one thing is one thing, and how to do it is another, just like knowing how to use a mobile phone but not knowing how to make it.
The so-called planting beans is actually a study of using the pox on cattle to get a vaccine, Liu Yan doesn't have the ability to do it himself, he knows that he will probably write a charter, how to get the results is the business of the people below.
"A lot of prisoners of war died" Ji Chang was actually full of suspicions, and he couldn't figure out how cowpox inoculated into people's arms could prevent smallpox from being infected: "But I already have a preliminary eyebrow." ” Vaccinia vaccine is actually a human vaccinia vaccine at the beginning, which was inoculated from some people who had smallpox, and was first studied in the 1st Dynasty in the 16th century, and it was not until the end of the 18th century that a British doctor named Jenner developed the vaccinia vaccine.
It was not until 1979 that the World Health Organization solemnly declared that "smallpox has been extinct on the earth", which is another great contribution made to the world by the people of the Tianyi Dynasty in addition to the four great inventions and rice hybridization.
But in fact, no one thanked the people of the Tian1 Dynasty, and the thanks were also thanks to the foreign devils For medicine to progress, clinical trials are absolutely indispensable.
Medicine began to enter the peak period of research, that was during World War II, the Germans first conducted various experiments on prisoners of war, most of whom were Jews, and the Japanese also conducted various experiments on the people of the Tianyi Dynasty.731 Even various countries conducted various experiments, among which the Yankees experimented with their own soldiers and had a big accident.
If the Han Kingdom wanted to make medical methods progress, all kinds of experiments, reliable or unreliable, of course, needed living subjects, and it was better to use foreign captives as test subjects than to use their own comrades to operate.
The law of the jungle is the truth, there is only a position and no right or wrong, and now there are no human rights organizations, and the Han Kingdom can even do a large-scale pit killing, and some other things will not be taken seriously at all, which really responds to the saying "my hero, his enemy".
Liu Yan was immediately stunned for a moment, and asked a little angrily: "Why didn't you say it earlier?"
Ji Chang hurriedly pleaded guilty, and then looked for a new topic.
Smallpox is actually the plague, the outbreak of plague in history can always cause a large-scale population reduction, the first to create the plague this "biochemical virus" of the nation is the Xiongnu, they are in the defeat and retreat with this self-harm method to stop the Han army's fierce pursuit, for a period of time the northern counties of the Western Han Dynasty were deeply affected, and the Han army with the expedition to the grassland also suffered heavy losses.
In addition to the Xiongnu, the most thorough use of the "biochemical virus" was the Mongol Empire in the period of Temujin, and the Mongol army would inevitably collect corpses and throw them into the city when encountering siege warfare, and used the primitive "biochemical offensive" to lay down the world's largest empire.
They were able to kill at least 200 million people in the era of cold weapons, and the biggest means of killing was to create a plague, which really achieved the point where no one had ever done it before.
"It must be to give the people land to raise their children."
Ji Chang just talked about how to encourage childbirth, and one suggestion was to reward land, and he said with a serious face: "The Han Dynasty is constantly expanding, and too many places are beaten down but there are no people living in peace, and this expansion is only to increase the territory area in the picture album, and it is not beneficial to the country." ” The territory of the Han State is increasing from moment to moment, but the population distribution is mostly concentrated in the abdomen, among which Qingzhou is the most densely populated by the earliest, the second populous state is Yangzhou, which has not been laid down for a long time, the third is Yuzhou, and the rest of the states are Guanzhong, Bingzhou, Shuozhou, Jiangzhou, and Guangzhou have the smallest population.
According to the census data that has been counted, Qingzhou alone accounts for more than 4 million, which is an effect of Liu Yan's early use of Qingzhou as a basic plate, waiting for the center to be relocated to Xiangguo, which has driven the flow of some population, but the population diversion of Qingzhou is actually very limited.
There is a city called Jiankang in Yangzhou, Jiankang as the capital of the small court of the Eastern Jin Dynasty, the population of more than 1.7 million, if the history has not changed, the peak is 2.3 million people.
Yangzhou alone has 1.7 million people in Jiankang, as a national capital around the development is certainly not bad, the density of counties far exceeds the previous dynasties, the population of the entire Eastern Jin Dynasty small court is almost crowded in one state, the rest of the states and counties are more sparsely populated than the south and southwest.
Hearing the sentence "Yu Guo has no actual interests" made Liu Yan's cheeks twitch a few times, but he had nothing to refute.
The territory of each dynasty was large and small, and the more central the empire, the more population must have been, and then the more frontier the location, the more sparsely populated.
This has not changed even in modern times, and even the population of a certain metropolis in modern times can reach some remote provinces and states.
The current era is somewhat special, the Central Plains has been ruled by the Hu people for decades, and the Hu people have long carried out a policy of reducing the number of Han people, so that the core area of the Central Plains is no longer a densely populated stage.
For example, during the reign of Shi Hu and Shi Le, except for the settlement population of more than 3 million in Xiangguo and the surrounding areas, the population distribution in various places was actually very abnormal, and the most exaggerated thing was that there was not even a single figure in a certain area.
In addition to the Zhao State of Shiqi, there was a similar situation in the small court of the Eastern Jin Dynasty.
The most densely populated small court in the Eastern Jin Dynasty is Yangzhou, and the least populous is Jiaozhi, after the Han State took over the rule of Jiaozhi, not counting the Han Miao descendants counted by the garrison, it was only two hundred and eleven people who were pitiful.
"Then come up with effective and enforceable policies."
Liu Yan agrees with the policy of giving land incentives for having children, and is equally worried about the abnormal population distribution: "The center encourages people to migrate, but it has an effect" Ji Chang showed a happy expression without concealing it, he had already begun to think that the military of the Han State needed to be suppressed, and it was naturally not a good way to suppress it directly, but it was possible to start with the land first, at least first break the restriction that land could not be obtained without military merits.
"The ministers must do their best" Ji Chang paused, and said intentionally or unintentionally: "The king's plan to let the veterans settle in place is a good way." ” "Even if that's the case, how many people can be arranged" Liu Yan was very clear about Ji Chang's careful thinking, but he didn't intend to stop it at all, he was the ruler of the entire country, not the spokesperson of the military alone, and the balance between the two compartments was the way to be a king: "The prime minister should know that only the source of veterans is far from enough" The monarch of a country began to ponder the balance, which was a good phenomenon for Ji Chang, but he didn't expect Liu Yan to suppress the military to the point of failure, and he didn't even think that one day the status of civil officials could surpass that of military generals, and he didn't even dare to ask for the equality of civil and military affairs, just because he knew that Liu Yan was a king who would not stop his ambitions for the land.
"The capital given to the people to support their families is not only in that one acre and three points of land."
Liu Yan has never only focused on agricultural production, he said in a serious tone: "We have run collective farms, in addition to doing farm work, there is also manual production, and the prime minister should pay equal attention to it, not be sloppy." ” Ji Chang understood Liu Yan's meaning very clearly, that is, to pay equal attention to agriculture and industry, not only to attach importance to agricultural production, but also not to forget industrial development, and even to perceive the encouragement of business.
"Your Majesty, in the fourth year of Yuan Shuo, the Han Dynasty was short of food to the point where he needed to be recruited" Ji Chang was cautious when he said this, he even swallowed a mouthful of saliva, and observed Liu Yan's face before continuing to say: "The country's first priority is food, and without food, people's hearts will be unstable, which is easy to cause social turmoil, and it is the most important thing for the king to hope for population growth." ” Liu Yan's face twitched again, he knew a lot of things, how to govern a country was completely novice, at least not like some princes or children of the family who had relevant training since childhood, and knew that there could not be some things that could be taken for granted.
Of course, food is the most important resource of a country, and all development is based on the premise of having enough food, and it would be very unrealistic to talk about anything like industry before that, and even suppress all matters that can affect agricultural production, and specifically increase the number of working people participating in agricultural production.
In the conquest of Linyi and Funan, the army repeatedly seized a large amount of grain and transported it back to the Han mainland by sea, but" Ji Chang had a little bit of a sense of openness today, ignoring Liu Yan's ugly face, and continued: "If you think that you can maintain the country's food needs by simply relying on looting, the Han is in danger. ” The Han kingdom plundered grain from the southwest within a year or two, and there was a period of time when grain was obtained from the sea and livestock from the Hu people, in addition to farming.
Don't look at Liu Yan has restored the old land of the Han family, but there are not many states and counties that have redeveloped agriculture, and the best restoration is Qingzhou, and Yanzhou, Xuzhou and Yuzhou are also good after settling down, but Yanzhou is mountainous and basically has little output, and the grain output of Yuzhou, which is relatively far south, is relatively considerable.
Liu Yan quickly reacted, he knew where Ji Chang's "boldness" came from today, it was the continuation of the Shiqi Zhao State that could be destroyed at will, the Tuoba Dynasty State could not become a country, the Zhang Liang State was not a trouble, and the Murong Yan State was about to be conquered, all kinds of signs showed that the Han army could conquer fewer and fewer enemy countries, and the civilian officials wanted to pull the country's focus on internal affairs.
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"There is a lot of arable land in Dahan, but there is really no one in those places.
The grassland is not a place without output, where cattle can be used for production and their meat can be eaten, and sheep can be woven and eaten for their meat" Ji Chang said very sincerely: "A hundred wastes are waiting to be revived, the king" Liu Yan smiled, not a smile of negative emotions.
At present, the distinction between civil and military is not so big, and there is no civilian-official group or military general group in a practical sense, and it belongs to the kind of beautiful era when the horse can be a general and a horse can govern the government.
The reason why Liu Yan laughed was because he was happy to know that the country finally did not regard the grassland as a burden, and knew how to use the grassland from the textile, dairy industry, meat industry, etc., so the grassland would no longer be a place to lose for the country.
The threat of the Central Plains Dynasty has always been in the north, and many dynasties are not incapable of attacking the grassland, but they really don't know how to use the grassland after they are defeated.
"The minister heard that there are still countries to the west of the Western Regions, Wusun is alive at the time of the first Han Dynasty, the remnants of the Dayue clan have established their kingdoms, and there is the Sassanid Dynasty of the Sassanid Kingdom that rests in descendants.
There is a sea farther away, and its sea is the Great Qin Inland Sea, and the Great Qin is not the pre-Qin, but a thousand-year-old empire" Ji Chang didn't know where he got these news, and talked about it for a long time, some of which even Liu Yan hadn't heard, and then the words changed: "The minister is convinced that the king said that the world is far bigger than the world in the mouths of the sages of the past dynasties, and the king has the ambition to make the sun shine on the Han land, but the internal affairs are not governed, why do the soldiers come out in all directions":