At the same time, if the Yellow River and the Yangtze River really become a north-south direction, then there will be a rolling Yangtze River east of Tongguan, cutting the two areas of Shanxi and Hebei, and the direction of the Yangtze River will become similar to the current Beijing-Hangzhou Grand Canal.

Then coupled with the Qinling-Huai River, which has not changed, the entire Chinese civilization will be cut into pieces of scattered fields.

This also means that the formation of the natural Chu River and Han realm will make it more and more difficult for any country or force to carry out a great unification.

The history of China will be completely rewritten, and regimes such as Sun Wu, Eastern Jin Dynasty, Song Qi Liang Chen, Southern Tang Dynasty, Southern Song Dynasty, etc., will become impossible, or if they appear, they will be very fragile.

Because the upper reaches of the Yangtze River will be under the control of the north, and once the Huai River is broken, there will be no danger to defend at all.

For the north, it's not a good thing either.

If this is the case, it is conceivable that the Yellow River and the Yangtze River, which were originally used to defend against the invasion of nomads in the grasslands and deserts further north, will become fast passages down the river for the other side.

At that time, not only will agriculture suffer great losses at any time, but the security of the country will not be guaranteed in the slightest.

In this case, unless the north and the Central Plains once again build a defense line similar to the Great Wall of Hebei in the Northern Song Dynasty and the Guanhe defense line of the Jin Dynasty, which requires 200,000 elite armoured areas, with the main wall, moat, auxiliary moat, horse face, beacon, border fort, and cantonment city as a whole, it costs the state countless money and taxes to build a defense line.

But even then, it is not known how long the effect will last.

Since Li Jinglong is a "soldier saint on paper", he naturally knows the meaning of Jiang Xinghuo's words, so he sighed sincerely.

"As Jiang Lang said, the Yellow River and the Yangtze River are really precious treasures of Chinese civilization!"

The secret room next door.

Zhu Gaochi said: "Therefore, Mr. Jiang gave this example to provoke thinking: if the topographical conditions that constitute the most basic Chinese civilization change, then everything will change accordingly? It is precisely because of this that geographical determinism makes sense. ”

"The old minister thinks that this assumption itself is meaningless."

Gu Cheng shook his head slightly, and he continued: "Mountains and rivers, of course, are also extremely important and cannot be ignored in military affairs, but what this descendant named Jiang Xinghuo said at the beginning is just a slightly interesting hypothesis. ”

"Assumptions don't change anything." Gu Cheng's expression was grim, "And if you don't consider this assumption, Lao Chen can't see anything unique from his remarks that are so ordinary that anyone who has read a little bit of books knows." ”

Zhu Di did not refute the veteran's remarks, but instead nodded in agreement and said: "So far, what Jiang Xinghuo has said is indeed quite disappointing. ”

"In the past, whether it was the 'dynastic cycle law' in "The Theory of National Fortune", or the 'apportionment into the mu', or the 'silver treasure banknote' that talked about the way of economy, Jiang Xinghuo could often bring me refreshing points."

"But today, at least for now, I don't feel it."

Zhu Gaochi looked at his father and asked, "Father thinks Jiang Xinghuo. Jiang Lang is finished? ”

Jiang Lang is exhausted?

The homophonic stalk is quite interesting, Zhu Di smiled, he waved his hand and said, "I think it's not impossible." ”

After all, even the most knowledgeable and profound person is limited in his knowledge. Therefore, Jiang Xinghuo has already said so much unique content, if it is just a temporary idea today, and he talks about some ordinary and ordinary content, it is not incomprehensible. ”

The second volume of today's "Treatise on the Fortunes of the Country" did not give the people who listened to the lecture any shock.

Therefore, they all felt that perhaps because of Cao Guogong's temporary problems, Jiang Xinghuo was not ready, but just played casually, and the sense of expectation also declined.

Only Dao Yan fell into deep thought at this time.

Dao Yan believes that if Jiang Xinghuo didn't have something unique of his own, he would never say it, and if so, I'm afraid he would rather not say anything.

Dao Yan began to speculate that if he started from geographical determinism, as Jiang Xinghuo said, what was the basis of "geopolitical theory", but it sounded like that.

But would Jiang Xinghuo really talk about such a boring, cliché, and meaningless question?

If it was just to let Cao Guogong understand the origin of Ryukyu, Japan and other countries, then I am afraid that it would really disappoint the people in the secret room.

Jiang Xinghuo bowed slightly, and he used his finger to sketch some images on the sand on the ground.

Soon, a brief topographical map of the mountains and rivers of China appeared on the ground.

"Next, I want to talk about two major points."

"The first major point is that the geographical environment determines the formation of the country!"

"From the outside, according to the exploration of the Mongol expedition to the west, in the world as we know it, China is in the eastern part of the entire continent."

There is no doubt about this, and if we do not take into account the great geographical discoveries that have not yet taken place, then the Mongol expedition to the west is one of the most far-reaching journeys of exploration from the east to the west.

Because of this, the Ming Dynasty realized more clearly than other dynasties that this world is not small, and at least tens of thousands of miles to the west will not reach the end.

The conclusion that he is in the easternmost part of the entire known world is easily accepted.

Jiang Xinghuo saw that they had no objections and continued.

"And the center of the entire continent is actually the location of the present-day Timurid Khanate, which is what our ancients called 'Green Ridge'."

"In the west, the Kunlun Mountains, which extend from the Green Mountains to the east, the plateau where Tubo used to be located, and the Hengduan Mountains where the Dali Kingdom was located in the past, form a continuous line from northwest to southeast, cutting off the connection between Huaxia and Tianzhu."

"To the north, there is the monsoon-non-monsoon dividing line mentioned in the previous lesson, which forms the northern boundary of China, which is the boundary between two successive mountain ranges."

"The overall environment of China is closed, with the desert in the north, the plateau in the west, the jungle in the south, and the ocean in the east, making China a separate geographical unit."

This point is very understandable, and both Zhu Gaoxu and Li Jinglong agreed without any hesitation.

The geographical environment does determine that China will become a whole.

It is precisely because of this closed geographical environment that China has been able to form an overall sense of identity for thousands of years, even if there are several troubled times, but it will eventually be unified.

"Internally, it is a sub-unit within the overall geographical unit of China, which still has a strong cohesion and centripetal force, and this center is the Yellow River-Huai-Yangtze River region."

After talking about the reason for the external isolation, Jiang Xinghuo continued to talk about the reason for the internal centripetal.

"In the closed geographical unit of China, the Yellow River, the Huai River, and the Yangtze River run through half of China's land, and also flow through the best natural geographical conditions.

"At the same time, due to the constraints of the geographical environment, the surrounding areas, such as Longxi, Bashu, and Jiangnan, are closer to the central area of China for development. For example, it is much easier for Longxi to the Western Regions, Bashu to Yungui and Yunnan, and Jiangnan to Liangguang. Therefore, the natural Yellow River-Huai River-Yangtze River region has formed a geographical centripetal force. ”

"It is precisely because externally that Huaxia is a separate geographical unit, and internally, the various sub-units in the large geographical unit of Huaxia still have the centripetal force to move closer to the birthplace of China centered on the Yellow River-Huai River-Yangtze River region."

"That's why Huaxia can become Huaxia!"

Zhu Gaoxu and Li Jinglong looked at the map on the sandy ground and fell into deep thought.

It turns out that the reason why Huaxia became Huaxia is not only because of the well-known isolated environment of the desert in the north, the plateau in the west, the jungle in the south, and the ocean in the east.

More importantly, the Yellow River-Huai-Yangtze River region also has a centripetal force for the surrounding geographical sub-units, and it is precisely because of the existence of this centripetal force that the huge Chinese region can always be firmly gathered together and become a whole.

Just as the two of them were pondering, Jiang Xinghuo's voice rang out.

"The wind is strong and the tide is strong. Flood totem dragon, fire nirvana phoenix. The flame of civilization, the one who has not been extinguished through the ages, is unique. Coexist with heaven and earth, with the sun and the moon. ”

Thousands of years of China, only I am unique!

In the secret room, listening to Jiang Xinghuo's chanting, several people couldn't help but be shocked in unison!

An indescribable pride burst out from the heart of Gu Cheng, the old general.

Gu Ben is a military general, and he has a fanatical pursuit of war, the nation, and glory!

Moreover, in his past military career, he had guarded Guizhou for nearly twenty years, and hundreds of rebellions were quelled, all of which were to kill the leaders and appease the remnants, and the barbarians were all obedient.

Now after listening to Jiang Xinghuo's words, Gu Chengfang has just woken up.

What he Gu Cheng did in his life was not to make the southwest frontier subordinate to the Ming Dynasty and maintain the integrity of Chinese civilization?

Because of this, Jiang Xinghuo's words are full of the Chinese civilization that has lasted for thousands of years, which makes people feel pride from the bottom of their hearts, and also makes Gu Cheng's blood become hot and boiling!

At this time, Dao Yan's eyes suddenly looked at him, and he smiled faintly, revealing a hint of intriguing.

As the smartest person in the world, he can even speculate the existence of the future from Jiang Xinghuo's words.

Dao Yan had already relied on Jiang Xinghuo's words, the grass gray snake-like clues, and vaguely traced the purpose of Jiang Xinghuo's lecture.

Jiang Xinghuo didn't want to talk about the superficial things he said before.

What Japan, Ryukyu, and how they came into being, are all things that are mentioned in passing.

Dao Yan has basically determined that what Jiang Xinghuo wants to talk about is an important theory related to the entire spiritual outlook of the Ming Dynasty in the future!

"It's fun, it's interlocking, it's a last resort."

"If Jiang Sheng's theory is propagated and cooperates with the West, it will be very suitable."

Jiang Xinghuo said: "The first major point, we are talking about the geographical environment determines the formation of the country, and now we have finished talking about what kind of internal and external geographical units are formed because of China, and the next step is to talk about what kind of internal and external geographical units are formed because of the countries around China. ”

"In fact, the main ones are three, first, the northern nomadic country; second, North Korea; Thirdly, Japan. ”

"This is just a brief talk, I won't talk too much, the most important thing is to let you understand that not all countries in this world have the congenital geographical conditions of China, therefore, don't use the Chinese perspective to treat and demand other countries, which is also a regular habit of Chinese civilization in foreign exchanges."

In fact, the internal and external geographical environment of China is destined to appear a strong unified country, but it is also destined to be difficult to communicate with foreign countries, under the tradition of a great unified country, it is normal to have the mentality of the Heavenly Empire, with this inherent cognition, it is natural not to be familiar with the rest of the world.

Li Jinglong listened very carefully, because what Jiang Xinghuo is talking about now is directly related to whether he can come back from Japan with all his beards and tails.

"First of all, what do you know about the geographical structure of the Mongolian Plateau in the northern nomadic country?"

The word Mongolian plateau, the two of them understood it in an instant, without any obstacles.

Zhu Gaoxu was the first to say: "Naturally, north of the Great Wall on the Yinshan-Yanshan line, it is the Mongolian Plateau. ”

"That's not the case."

Li Jinglong suddenly spoke.

"Isn't that so?" Zhu Gaoxu was stunned.

When his father Zhu Di went north to Mongolia, he was still very young at that time and had no experience in the hinterland of Mongolia.

"The Mongolian Plateau is divided into desert south and desert north!"

Li Jinglong asked: "Do you know about the shepherds in the North Sea (present-day Lake Baikal) of Suwu?" ”

Zhu Gaoxu nodded, and Li Jinglong explained: "When the Xiongnu were strong, Ding Ling was served in the north, and Ding Ling was grazing in the south of Beihai, where the living conditions were very difficult, and in the era of the Xianbei people, it was the Rouran people who lived there. And the place south of the North Sea and north of the desert is Mobei. ”

After he finished explaining, Jiang Xinghuo continued.

"Mobei has always been the ruling center of the northern nomadic state, the Xiongnu's Shan Yuting, the Turkic and Uighur tooth tents, and the capital and forest of the Mongol Khanate are all here."

"As for the desert across the Mongolian Plateau, and the grassland between Yinshan and Yanshan, it is Monan."

"When the Central Plains Dynasty was relatively weak, the nomadic khanate could often control the entire Mongolian Plateau, such as the Xiongnu before Emperor Wu of the Han Dynasty, the Turks before Taizong of the Tang Dynasty, the Khitan who established the Liao State, and so on."

"However, if you meet a dynasty like Han and Tang, after controlling Yinshan, there will be little left in the Monan grassland, the Central Plains Dynasty took Yinshan, and the Monan grassland can not support a large number of nomads, and the nomadic khanate can only retreat to the north of the Han Dynasty's famous 'Xiongnu escaped, and there is no royal court in the south of the desert' refers to the scene where the nomadic khanate fled to the north of the Gobi in the desert, and was blocked by geography and could no longer frequently attack the south."

Seeing that the two of them had understood, Jiang Xinghuo concluded.

Therefore, in terms of large geographical units, the Mongolian Plateau is a whole, and the middle is divided into two sub-units: Mobei and Monan. As he has just said, the nomadic nature of the northern nomadic countries is determined by the Mongolian Plateau, and because of the two geographical subdivisions, it is determined that they will go south when they flourish and go north when they decline. This is the decisive role of geography in the nomadic form of the northern countries. ”

After talking about the northern nomadic country, Jiang Xinghuo's finger drew a peninsula on the sandy land, pointed and said.

"The second one is North Korea."

"On the whole, the Korean Peninsula is surrounded by the sea on three sides, and is separated by the Changbai Mountain (formerly called Taibai Mountain in the Song Dynasty) on one side, so it also forms a separate geographical unit."

"Internally, the Korean Peninsula has two distinct geographical sub-units, namely the mountains in the north and the plains and hills in the south."

"This also means that the Korean Peninsula, as an independent geographical unit, is easy to produce a unified country like China and Mongolia, but also because the geographical unit structure of North Korea is too closed, it is difficult to expand externally, and it will be easier to fall into a situation of isolation and self-defense than China."

Even in Jiang Xinghuo's previous life, North Korea called itself "Little China" after the fall of the Ming Dynasty, and Wu Qingyuan and Wu Xichang father and son wrote "Xiaohua Foreign History": The East is known for Little China for a long time in prehistory. Those who are prosperous in the east are more prosperous than the ancients, and those who enter China are also those who enter China.

Well. The problem of stealing began at that time.

After talking about North Korea in a flash, Jiang Xinghuo talked about the last country.

It is also the country with the most obvious embodiment of geographical determinism in East Asia.

- Japan.

Jiang Xinghuo said: "On the whole, Japan is a pure island country, mainly composed of four large islands and more than 6,000 small islands, and faces Korea, Daming, Luzon and other countries across the sea. ”

"In terms of geographical subdivisions, Japan can be divided into four islands, while the main islands are divided into two parts according to mountain ranges."

"The country is mountainous, with mountains and hills occupying about seven-tenths of the country's land, and the mountains are ridged in the center of Japan, dividing the country into one west and one east."

"Japan's plains are mainly located in the lower reaches of the river, and most of them are alluvial plains, but the larger plains are the Ishikari Plain, the Echigo Plain, the Noo Plain, and the Tokachi Plain, among which the largest plain is the Kanto Plain, which is the most important place in Japan."

"And it is precisely because of this geographical environment that it is determined that Japan, the overall geographical unit, is easy to unify into a whole country, just like China, Mongolia, and Korea."

"But precisely because it can be divided into four parts according to the islands, and the main islands can be divided into east and west according to the mountains, and there are many rivers and alluvial plains, it is doomed that Japan can easily fall into fragmentation."

Jiang Xinghuo paused and said with a smile: "So you see, Japan is naturally a country suitable for separatism, and the way to provoke them to split is also very simple. ”

"The first major point has been finished, we have learned how China and the three surrounding countries are determined by geography to become independent geographical units, and how the small part of the large geographical unit affects this country."

"The second big point, which is the method I just mentioned, is how geography determines the spiritual characteristics of a country."

”

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(End of chapter)