Before taking the Liao State, the main purpose of the navy was to seize a piece of land, land is the foundation of everything, without land, there is no food, let alone population, even if there is wealth, it is also rootless water, no causeless wood.

At that time, the place where Zhao Xin traveled was the Northern Song Dynasty, that is, under the premise of no major accidents, the area where he could develop was only around East Asia.

In East Asia, the land that can provide the long-term development of the navy and have a strong foundation is the node at that time, the first choice is the Liao State, and then the Northern Song Dynasty, and even 10,000 steps back, North Korea can also choose, they can support the rapid development of the navy.

Among the countries other than the Northern Song Dynasty and the Liao Kingdom, Japan is about the same as North Korea, and even in terms of resources and strength, Japan is a cut above North Korea, but Japan cannot choose the foundation of this country.

Although it seems that Japan is similar to North Korea, but Japan is an island country, and the natural disadvantage of the island country makes it impossible for him to develop expansively, and after occupying Jeju Island, Ryukyu and Hokkaido, the overall area of the Dinghai Navy will not be much smaller than that of Japan's three islands, and occupying Japan will not have any substantial benefits, but will be located in an earthquake zone.

North Korea is different, it is a peninsula, although the north is mountainous, it is not easy to develop outward, but how to say, it can be regarded as connecting with the mainland, whether it is a springboard Liaodong, or continue to the north, it is a good choice, this is the only way after the Liao State and the Northern Song Dynasty can not choose.

Now, there is no need to take such the most difficult road, because of strength and luck, the Dinghai Navy won the Liao State in a very short period of time, owning millions of square kilometers of land, and after a period of time, accumulating a population of more than 30 million, it can be said that the foundation has been laid.

As long as the industry of the Dinghai Navy is moved to Liao and carried forward, there will be no problem with the whole development, and it will only be a matter of time before the whole of East Asia is taken. In this case, under the premise of not doing anything to the Northern Song Dynasty and expanding its territory, it became an inevitable choice to go outward.

The advantage of the traverser is in the choice, it seems that there are infinite development possibilities in occupying the entire Liao Kingdom, but except for the south, taking the land of the Northern Song Dynasty, the rest of the places are actually pits, which not only consume a huge amount of time, but also easily fall into the quagmire.

It is even said that most of the walking from the ocean is also a pit, which can be seen from Zheng He's later voyage to the West.

In later generations, Zheng He went to the West, the core was to demonstrate the national prestige and realize the kind of heavenly kingdom that all countries came to court, but why couldn't it continue, it didn't cost too much, and the cost in vain became a very extravagant, and the thing brought back could not make up for the expenses, so naturally, it was abolished.

Of course, it is not so simple, there are very complex principles, the narrow thinking of some big families, and the mistakes of mainstream emperors and ministers, so that this era of China's easiest rise has been missed.

The era when Zheng He went to the West, the first time was in 1405, that is, the third year of Yongle in the Ming Dynasty, it is said that it was to find Emperor Jianwen, which is not examinable in wild history, and it can be confirmed that the first voyage was opened from 1405.

Coincidentally, the first half of the 15th century was also the beginning of the Age of Discovery, and the starting point of the great geographical discoveries was also at the same time.

At the same point in time, the East and the West opened the Age of Navigation, and in the first half of the 15th century, it was a magnificent scene in the entire world's maritime history.

This scene opened at the same time, but it is not a concept at all, the opening of these two maritime eras, but it is a completely different result, even at the beginning, Zheng He went to the West is definitely a regular army, is the kingdom to promote, at that time, the Ming Dynasty's handicraft and navigation industry has reached its peak, the first time to go to the West, there are a total of more than 200 ships, including 62 treasure ships, a total of nearly 30,000 huge voyages.

At this moment, Europe is a small ship, perhaps larger than in the past, most of them are under 100 tons, not to mention compared with large treasure ships, even compared with medium-sized ships, they are far behind.

The final result is two different things, the European navigators who were brave and brave, or even more than a ship, were willing to keep exploring, even if countless people were buried at the bottom of the sea, and finally, with fearless courage, discovered the Americas and Africa, made great geographical discoveries, and also laid the foundation of Europe's opening position in one fell swoop.

In contrast, after 7 voyages, an unprecedented integration was created, and eventually, the voyages were stopped, and even the drawings of the treasure ship were considered ominous and burned.

At the beginning of the Ming Dynasty, the Ming Dynasty, which was able to build 30,000 or even larger treasure ships, could not even build an ordinary large sailing ship, which has to be said to be a sadness.

If Zhao Xin is not a traverser, but just a lucky ordinary person, standing at this current point, he may also go south and west, because there are countries with historical records and people who can trade, which are the easiest to produce results and generate wealth.

In this era, the east side was a boundless ocean, and no one ever knew what was on the other side of the vast ocean.

Zhao Xin, who knows history and geography well, knows very well that the east is the future, and in the Age of Discovery, the east is definitely the first order without dispute.

The Americas have the foundation for the rise of the kingdom, no matter how fierce the navy is, no matter how much industry is developed, when the population reaches a certain level, it must be expanded, if it does not expand, simply feeding hundreds of millions of people will already make the kingdom break its heart, no matter how strong the industry is, in the face of the people who have no food, it will also be torn to pieces, unless it is the implementation of family planning.

That's impossible, the control of the dynasty, plus the aspect of etiquette, such a method, there is no way to implement it, not to mention the intensity of enforcement, really strong implementation, maybe, it is a storm, of course, after the storm, the war comes, the population is killed and wounded, and in the end, the kingdom will be stable.

But this is what Zhao Xin is willing to see, as a traverser, he has built a basic modernization for the Northern Song Dynasty and China, and then returns to the general trend of the world.

So dig as deep as possible, so that the original land, the amount of accumulation, for example, chemical fertilizers, improved seeds, scientific planting methods, the use of various tools, increase labor efficiency and food production, this is only one aspect, Dingjun is trying to improve this, in some areas has had obvious results, some basic farmland production has exceeded 3 stones, if you count two seasons a year will be higher.

These are the basis of ordinary national food, and then the three major crops are introduced and rationally distributed, so that the entire Dinghai Navy plus the area of the Northern Song Dynasty can feed 1 billion people.

1 billion people, with the current Dinghai plus the population of about 150 million in the Northern Song Dynasty, can be nearly 2 and a half times, even according to the Dinghai Navy, the crazy expansion of the growth mode, it will take 25 years.

In the past 25 years, the entire population of East Asia has been determined according to the standards of the navy, and the medical degree and fertility rate of the navy have been determined.

In fact, as far as the current Dinghai Sea is concerned, it has basically reached such a fertility rate, and there are still some nomads in the Northern Song Dynasty, whose population growth rate is far less high than that of the Dinghai Navy, even if the population plan from the Northern Song Dynasty is successful, the population of the Dinghai Navy will only reach about 70 million, and in this way, it will take at least 40 to 50 years.

Zhao Xin also knows very well that such a fertility rate cannot be sustained, especially when small families, as well as individual lives are deeply rooted in the hearts of the people, and the entire productivity and per capita income continue to increase, having children may not become the first priority.

This point, from later generations, can be found that the more developed, the higher the productivity, the country with strong capital, the fertility rate is often reduced, the high welfare treatment, the benefits brought, so that raising children has become a difficult thing, some peace and pleasure, simply do not want to have children.

Even according to the current fertility rate, there is a period of 40-50 years, which is enough for the Dingjun, only 5 years, the Dingjun has developed from a poor and white desert island to the present, a huge empire that can wipe out the Liao State and easily kill the Northern Song Dynasty.

The steam engine can certainly be studied to a very high extent, popularized throughout China, and can enter all aspects of production and life, in this sense, it should be the first industrial revolution to the extreme.

With Zhao Xin such a traverser, he will definitely not be able to focus on one, the internal combustion engine will also appear, the development of electricity, this is almost the extent of the middle of the 20th century, under this level of China, still has a population of 1 billion, is there still an enemy in the world, even after the telegraph and navigation, and even after the appearance of airplanes, the area of the country can be further expanded, the whole world, all the fertile land, will become the garden and self-reserved land of the Dinghai, even if these lands and populations are separated, as long as the race is still yellow, you can accept it, and this can basically form the purpose of the navy, a world ruled by the yellow race.

Because of this cognition, Zhao Xin will not get that kind of Chinese-style sailing ship at all, but just pursue the big and heard, directly through Chinese technology, as well as the future technology magic modified Spanish sailing ship, at this level reached, has a large-scale ocean navigation ability, and with the help of this transportation capacity, after successfully winning the Liao State, it has become inevitable to continue to the north, east, looking for the trajectory of the Americas.

If it is not for the number of steam engines is too small, the Dinghai Navy is ready to power ships, and power ships are the direction of the future, just relying on the natural power of wind power, too much uncontrollability, which is not suitable for the development of society and logistics, and the future development must be controllable and sustainable.

The accumulation is still not enough, and even the sail battleship has not been thoroughly eaten, and rashly getting on the ironclad ship is tantamount to pulling out the seedlings to help them grow, and if they go too fast, they are easy to pull eggs.

If in the future, when the steam engine, internal combustion engine, or electric motor, can be miniaturized, it will be loaded on the sail warship as auxiliary equipment, this is not impossible, but unfortunately in this era, the sail is still the only sail in the sea.

It took 6 years for the Dinghai Navy to start from scratch and have a terrible, very productive shipbuilding base, and now the ocean-going tonnage of the Dinghai Navy has exceeded 20 million tons, which is extremely terrifying.

Even if each ship is about 3,000 tons, it needs the appearance of 7,000 ocean-going vessels.

In the course of 6 years, not only have a large number of skilled craftsmen have been accumulated, but there are more than 3,000 of them who have the ability to operate independently, and they can supervise the construction of a ship alone, these are the figures at the top of the pyramid of the entire shipbuilding industry, but they are not the focus, nor the main direction of future development.

Huludao, a city built for shipbuilding and shipping, has already had the foundation of a super-large port in just a few months, and all kinds of materials from the Dinghai Navy and other islands under its control have been continuously transported to the Bohai Bay through the Dinghai Navy and a series of railways.

Along the Bohai Bay, at least 12 ports were built in reasonable places, so as to be able to divert such a terrible capacity, and after the pressure on Huludao was eased, another effect of Huludao was developed.

The Dinghai Navy's Ship Research Institute, as well as the Military Ship Research Institute, have all been relocated here, and the 120 most outstanding shipbuilders of the Dinghai Navy have been concentrated, as well as at least 1,000 new students who have studied fluids and physics, have been assigned here and become members of the institute, and even Zhao Xin has arrived here from time to time.

Zhao Xin may not know about ships, but as a historian and military fan, even if he does not have the great gods of later generations, he can use his hands to make a ship model with a very high scale and very high precision, but the basic shape is still okay.

The Spanish galleon was completed with the efforts of many craftsmen and researchers, such a phased achievement, this is not the final result.

Zhao Xin has a very clear view, science and technology are endless, on the ship, the same is true, only stronger, more powerful ships, can conquer the ocean, sailing is even only the starting point, the future steam power, internal combustion engine, electric drive and a series of ships, is the real conquest of the ocean.

Even now, based on the Spanish galleon itself, there are many things that can be improved, at least more than 20 groups, nearly 500 people, in this area of research, and has achieved phased results.