From the perspective of feudal society, what is peace, as long as there is no war, there will be no loss if there is no war, which is also the source of the nomads who often suddenly enter the field of vision and become the enemy, there are not enough means of investigation, and even a series of monitoring means, I don't know at all, in the vast steppes and the cold areas of the north, the nomads will develop to what point of barbarism.

From the Han Dynasty, and even earlier in the Spring and Autumn Period and the Warring States Period, there were countless nomads who threatened the Han people, and in the middle, how many changes were made, and even how many of them were fighting, I don't know, but there is a premise that as long as the central dynasty of the Han nation is a little weaker, or if there is a loophole, the nomads will attack like mercury and be unstoppable.

Compared with the barbaric development of the nomads, the development of the Dinghai Navy is more planned, regular, and peaceful, and it can't be played, for the Dinghai Navy, for Zhao Xin, this is an opportunity.

There are many explanations for the strength of the country in this feudal society, for example, the strength of the army, such as the wealth of the country.

However, the strength of the army is easy to cause a huge burden, and if they are guarded in all directions, it is easy to form several super-large military groups, and the tail is too big to fall, or it is concentrated in the capital, forming huge expenditures, so that the country cannot get in and out.

The wealth of the country is okay, but how much wealth there is in the entire feudal dynasty, Wenjingzhizhi is strong, the grain is piled up, the copper money is received in the treasury, and even the rope that binds the money is rotten, but during the period of Emperor Wu of the Han Dynasty, once the foreign war occurred, there was a huge deficit, not only the income of Wenjingzhizhi, it was exhausted all of a sudden, and then the financial income of the Western Han Dynasty has been relatively small, and this burden has accumulated more and more, and in the end, it has caused destruction.

In short, I'm afraid that even the emperor and Zaifu of the feudal dynasty can't say what the strength of the dynasty is.

However, in later generations, there is a clear answer, that is, the gross national product, although this is not an absolute number, after all, in war, there are examples of weak countries winning stronger countries, but this is a foundation.

A country of 10 billion yuan will definitely not be able to beat 100 billion, not to mention trillions, when there is a huge difference in gross national value, the national strength will also be crushed.

What is the source of this gross national product, the factory, the non-stop infrastructure construction, and the upgrading of some infrastructure to a very high level, so that they can play a reasonable role.

The level of science and technology is not worse than the level of science and technology of this era, and this level will not be much worse, if there is too much difference in science and technology, the national strength will not be so clearly displayed.

At the same time, population is also the key, the main constraint of population, is the height of national development, perhaps in the early stage of capitalism, since capitalism and the age of navigation rampant, there appeared Spain, Portugal, the Netherlands, their own small land, but there are strong countries, but the more later, the population and land area, become the foundation.

Industry 1.0, 2.0, 3.0, this has a certain constraint on the population, you have a population of millions, 10 million, even 1.0 is very reluctant, let alone 2.0 and 3.0.

The Northern Song Dynasty's approach to the Dinghai Navy was to take advantage of the peaceful period between the two countries to learn some experience from the Dinghai Navy, and by the way, earn enough money to gradually accumulate strength.

This is a very normal method of development, and at the same time, it is also the only way that feudal society can think of after being hit.

For example, the Han Dynasty and the Tang Dynasty, after being threatened by the nomads, first compromised, and gradually maintained their development, and when the development surpassed the other side, they could immediately counterattack.

It's a pity that the understanding is different, at the same time, the direction of development is not the same, what the Northern Song Dynasty learned from the Dinghai Navy is only the fur of the skin, the core of the Dinghai, science and technology as the guide, the industrial revolution as the context, crazy forward development, this is the ultimate core.

The industrial revolution, since its emergence, the development of the whole human race is completely different, before, it was slow, maybe hundreds of years, thousands of years, there is no change, and even in some extreme states, there will be regression.

However, in the industrial revolution, almost every minute, every second, is a triumphant forward, three or five years apart, there will be a huge generation gap, if the difference is decades, the difference in science and technology between the two sides, it is completely incompatible.

Historically, China lived in an era of alien domination, and to a certain extent, there was a phenomenon of regression, and for a full 300 years, the firearms that had occupied a considerable advantage no longer existed, and even their own strong bows and crossbows did not exist.

This is also the root of being beaten at the end of the Qing Dynasty, although it is said that maintaining the scientific and technological development of the Ming Dynasty may not necessarily win, but at the very least, it will not be so miserable.

Historically, Europe's Caucasian overtook in a corner, and it took hundreds of years to complete the transcendence of the Chinese nation, so that China lost its position as the world's largest power that occupied more than 2,000 years and dominated future development.

But in this time and space, in other races, other countries, still in the dark, difficult to move forward, Dinghai has already started the industrial revolution, and even under the card system, the eyes of the traverser, and all kinds of consultations, the development of the industrial revolution of Dinghai is far better than that of Britain, which has just started the industrial revolution.

The accumulation of science and technology, with each passing day, the positioning of the steam engine, the internal combustion engine, and even the electricity has already started, and the development of the navy is not like that of Europe, the development of one or two industrial revolutions, but going hand in hand, if there is still some difference, that is, the population.

With a population of 35 million, in this era, it is second only to the Northern Song Dynasty, and aside from the horizontal comparison of the Northern Song Dynasty, it is also the most populous country in the whole world, but Zhao Xin still hopes to be better.

The Northern Song Dynasty and the Dinghai Navy are of the same clan and clan, of the same origin and the same language, there is no difference at all, not even the difference between American English and British English, and the two sides are not separated by a huge Atlantic Ocean, and it is really convenient to obtain population.

One side doesn't need it, but the other side needs it very much, for the Northern Song Dynasty, the population may not have much effect, otherwise, it would not let the Ding Navy take away the population of 35 million at once.

It is precisely because of such a large population that the Dinghai Navy can harvest such a huge industry in just four years, and thus be able to destroy the Liao State.

The foundation of the next Dinghai has been completed, 35 million, even with the rapid growth of the Dinghai Navy itself, 10 years, can also have a rather terrible population, according to the current net population growth, 8 to 10% of the net population growth, maybe 10 years, can be doubled, when the time comes, can easily catch up with the population of the Northern Song Dynasty, after the next 50 years, their total population, will not be the Northern Song Dynasty can back.

These children will grow up gradually, and it will take 15 to 20 years before they can come in handy, but these people are the foundation of the navy, and once they grow up, they play a far better role than immigrants.

Dingjun popularized education, not the Northern Song Dynasty's four books and five classics, that is for the development of Dinghai science and technology and enhance the learning, knowledge and experience, will be passed on among these children, after systematic training, it took more than ten years, the training of professionals, generation after generation of progress, how many elites will be born, perhaps to that time, is the time for the entire Dinghai to plug in the wings, to achieve rapid development.

In this sense, the population of the Northern Song Dynasty is useless, no, it is not the case, even if these people arrive in the Dinghai, they don't have to work, they are raised by the Dinghai, as long as they are willing to have children, this is equivalent to saying that from the very beginning, the multiplier has been expanded, so if the multiplier is the same, the population size of the Dinghai Navy will still skyrocket.

The expansion of the naval population, as an established method, is to be carried out continuously, the population base of 35 million is higher than any country in Europe before the Industrial Revolution, but Zhao Xin needs to have higher.

The development of planting technology in the Dinghai Navy ensures the basis for population growth, fishing, breeding, and other more efficient methods, so that the Dinghai Navy can raise at least 500 million people in the face of a huge territory, which is a foundation.

Only with this foundation can the population be frantically expanded, otherwise, if the Dinghai Navy can feed 200 million people, once the population reaches or approaches 200 million, it is prone to problems.

The larger the country, the more unlikely it is to distribute it evenly, or to use it without waste at all, and the greater the number of social co-ordination and allocation, the higher the level involved, the more likely it is to be wasted.

If it's the limit of 500 million, being able to reach 400 million is already good, and this is fundamental, and it is also something that must be considered for population growth.

Population growth is part of the geometry, multiplication, for example, an increase of 10% of the population every year, maybe in 8 years, it will be doubled, and when you take into account the fertility peak, and some other things, this time will be shorter.

There must be no way to expand the population crazily, otherwise, the area of the earth is certain, and after the land on the earth that can be suitable for reclamation is reclaimed, what will people do at that time.

These are all questions that will be considered later.

At present, the population of the Navy is only 35 million, even if the population of the Northern Song Dynasty is counted, between 120 million and 140 million, it can skyrocket by two or three times, this time may be 15 to 20 years, and in 15 to 20 years, Zhao Xin must have been able to find the passage to North America, and through some means, the three major products of North America have been brought back.

Corn, potatoes and sweet potatoes, the former is the king of plants, although the absolute yield of edible is not as high as the latter two, but corn is the most perfect food, is the largest of the three major crops.

At the same time, the edible range of corn also includes corn stalks, the yield is several times that of corn itself, these things, for ordinary people, there is no way to eat and digest, but after simple processing, some of the substances contained in it can be used as feed, which has huge benefits for the breeding industry.

Potatoes and sweet potatoes are simply explosive, even if it is a science and technology field in later generations, tons of grain fields, compared with sweet potatoes and potatoes, it is really not comparable at all, and even some yields, a fraction is enough for these crops.

The Qing Dynasty's Kangqian Dynasty, the so-called world's largest population, the source is not the Qing Dynasty and the Manchu governance is very good, he comes from the introduction of the three major crops, its own huge land, can produce 3 times, even 5 times the amount of grain, can raise more people, with the Chinese nation's kind and industrious tradition, naturally speaking, the grain output is more, so many people are born quickly, the population growth rate is naturally high.

In the next 20 years, the Northern Song Dynasty and the surrounding land can already support the development of hot mouth explosions, and in the future, as long as high-yield crops can be found within three to five years, and these high-yield crops can be planted and popularized in accordance with the methods of Dinghai Navy's scientific agriculture, the whole of China will not have to worry about the problem of population.

In this way, it may be that for a long period of time, the Dingjun does not have to worry about the population, and the biggest advantage is that when the population rises to a certain limit, the Dingjun can get more population and have the foundation for the outbreak of the industrial revolution in advance.

In the era of peace, the Northern Song Dynasty and the current Dinghai Navy are inextricably linked, and they can even use the method of labor export, which can use the resources of the Northern Song Dynasty, and the same use of manpower, when the manpower is used, will they choose to come back?

Just like Europe and the United States, once there is war and turmoil in Europe, those people will be eager to run to the United States, this is still at their own expense, free of charge, better life, or the same root, what's the problem.

Rising to the relationship between the two countries, at this time the Navy will not be so moderate, will not weaken the hands and feet, search, it is expected that the population of the Navy will grow to 70 million by then.

Under the premise that the population base is larger, of course, it is better developed, the explosive power of industry is more sufficient, and the total and average number reach a certain level, it is logical for the navy to take the Northern Song Dynasty, just like the method of peaceful evolution in later generations, but the Northern Song Dynasty did not realize it at all, and there was no fortification at all.

Just like this Spring Festival, the population of 2 million has decreased, disguised under the 3 million migrant population, even if a local government feels that the population is small and the labor force is somewhat insufficient, but in the face of rich profits and endless machines in the fixed navy, they are also acceptable.

The increase in productivity saved a large number of people, and this population, if placed on the industrial revolution in later generations, was violent and cruel, and they were driven to the cities to work at the lowest level, barely surviving.

However, in the Dinghai Navy, it is relatively mild, no matter how much the Northern Song Dynasty saves, the Dinghai Navy can accept it all, develop jobs, let them stabilize, and contribute to the production of the Dinghai Navy, this is the crushing of the industrial revolution, and when the Northern Song Dynasty realizes all this, everything will not be able to change.