In the Qi Wangfu in Keelung City, Li Su sat alone in the study, the fingers of his right hand lightly tapped on the table, his face was full of contemplation, and in front of him, there was a letter that had been opened.

The letter was written by Li Zhen and Li Yun of Chang'an, and in this letter, the two first expressed their unwillingness to stay in Datang to be a mediocre prince, and were ready to follow Li Su's willingness to open up overseas. Then he told Li Su that he was forming an army of his own, and most importantly, the two of them asked Li Su for help, hoping that he could give advice on the two of them to expand overseas, and help them build the army more perfectly.

Li Zhen's first feeling was that Li Zhen and Li Yun were preparing to open up outside, because he understood that this world was very big, and his strength alone was limited, and with the current speed of development, I am afraid that he would not be able to occupy much space until he died, so if Li Zhen and Li Yun could join, they could greatly increase the speed of their own living space.

However, what made Li Su feel a headache was that the countries around Silla, Baekje and other countries around the Tang Dynasty were all destroyed by himself, and Nanyang had also become his bag, as for the newly discovered Australia, which had also been designated as land under his rule, which can be seen from the name of his eldest son Li Qi. In addition, there are North and South America, but it is too far away, and he has not sent anyone there until now, let alone let Li Zhen and Li Yun go.

The east and south are their own internal places, and the north is an extremely cold plateau, which is not suitable for human habitation at all, and the only way is to let Li Zhen and Li Yun develop to the west.

Speaking of the West, Li Su's eyes fell on the South Asian subcontinent. That is, the India of the later generations. The continent of India during the Tang Dynasty was collectively known as Tianzhu, although on this continent. Dividing countless large and small countries, but in the eyes of the Tang people. They are all called Tianzhu, and now Master Xuanzang has not come back from Tianzhu, and Datang doesn't know much about Tianzhu, in fact, let alone them, even Li Yu doesn't know much about Tianzhu's situation.

When Li Su was preparing to open up overseas, he focused on Taiwan and the Nanyang islands south of Taiwan, which were not only relatively close to the Tang Dynasty, but also rich in products, except for the hot weather. Everyone else is very suitable for all aspects of development, and Li Su also regards Nanyang as his main development goal. Of course, Li Su is also very concerned about Australia and North and South America, and has been trying to find a way to get there, and now Australia has been set up by him to settle, but North and South America still have no clue.

It is precisely because Li Su focused his attention on the South Seas and the east and south of the South Seas that he paid much less attention to the places west of the Strait of Malacca, and at most he got some information about the South Asian subcontinent and Persia from the mouths of some Tianzhu or Persian merchants.

Under the collection of Wu Meiniang's intelligence system. Li Su knew that Tianzhu was now in a chaotic period, and the north bordering the Tang Dynasty and Tubo was better, because a few decades ago, there was a king of the sun in the north who had made great achievements. After decades of campaigning, he finally unified the scattered northern part of Tianzhu, although his rule was very loose. There are large and small independent forces in the country, but at least in the eyes of outsiders. They have formed a powerful state.

But in the south of Tianzhu, there are many countries and tribes. There are countless large and small forces, among which the weak ones may only be a few thousand people, mainly relying on those powerful forces to survive, among which the most powerful Rajput people have even repelled the attack of the king of the sun, and in recent years, with the aging of the king of the sun, the dynasty of the sun has begun to decline, and several big forces in the south are very prosperous, which also leads to them began to be ready to move, it is likely that after the death of the king of the sun, the various forces in the north and south will provoke a new round of war.

Thinking of the chaos in Tianzhu now, Li Su nodded with a smile, although the Jieri Dynasty in the north of Tianzhu is going downhill, but after all, the emaciated camel is bigger than the horse, and they are still a unified country in name, plus Tianzhu is not an island, so now even Li Su does not dare to venture into war with them.

However, the south of Tianzhu is different, there are countless large and small forces, and there are wars happening every day, if Li Zhen and Li Yun's army is sent there, and then they support the various materials they need, but brothers belong to brothers, business belongs to business, and these materials also cost money, so Li Zhen and Li Yun must pay for these materials.

Although Li Zhen and Li Yun are both princes of the Tang Dynasty, and they also have a lot of industries under their names, but compared with Li Su, it is simply the difference between heaven and earth, so they don't have the money to buy those materials from Li Su, but it doesn't matter, Li Su has already thought about it, and at the beginning, he can temporarily owe them a part of the credit, and it is not too late to pay after they get dividends from the war.

Thinking of this, Li Su felt that the whole plan had almost taken shape, and the rest needed to be completed by Li Zhen and Li Yun themselves. So while he wrote to tell Li Zhen and Li Yun about his idea, he also began to ask people to step up the collection of information on all aspects of Tianzhu, especially about the huge number of large and small forces in the south, and get their detailed information as much as possible, which can be regarded as a little favor for him as an elder brother to help the two younger brothers.

A few days later, Li Zhen and Li Yun, who were still studying at the military academy and were also recruiting people, finally received a reply from Li Su, and at the same time saw a clear path that Li Su pointed out to them, that is, to open up to the Tianzhu Continent, and when Wang Zihao sent the letter to them, he also handed them a map of the world and a map of the Tianzhu Continent.

In the cafeteria of the military academy, Li Zhen and Li Yun sat alone to eat, and there was a circle of places around them, and on the periphery of these positions, they were all the henchmen they had subdued during this time. In addition, it is worth mentioning that in order to subdue these people, the identities of Li Zhen and Li Yun had to be exposed, and now the entire military academy knows the true identities of the two of them, which makes everyone surprised at the same time, but also feels a kind of sincere admiration for Li Zhen and Li Yun, especially some people who know Li Zhen, but they didn't expect that this brother, who usually fights with them, is one of the most honorable princes in the Tang Dynasty.

However, after their identities were revealed, although the two won the respect of others, they also alienated most people from each other, after all, they didn't know before, but now after knowing their identities, when they get along with Li Zhen and Li Yun, they will feel an indescribable unease, and it is precisely because of this that when they eat, except for some confidants, few people will come to disturb them.

Today, Li Zhen and Li Yun have something to discuss, so even if they are confidants, they all sit far away, which makes a large area vacant around them for them to talk.

"Seventh brother, what do you think of the place that Sixth Brother pointed out to us?" Li Zhen lowered his head and ate while asking, in his hand, there was some information about Tianzhu sent by Li Su one after another, although it was not very detailed, but it was enough for people to have a general understanding of Tianzhu.

Hearing Li Zhen's words, Li Yun smiled and said, "You don't know the sixth brother's temperament, will he still cheat us?" And you have also read the information sent by the sixth brother, Tianzhu has a hot climate, which is very suitable for agricultural development, and the sixth brother also swears that Tianzhu is very suitable for the development of tea and cotton planting, with these two cash crops, as long as we occupy a fertile land, we don't have to worry about lack of money to spend! ”

In fact, Li Zhen didn't know that Tianzhu World was the first place to grow cotton, and it was also the origin of Asian cotton. And Li Su also knows that India in later generations is a big cotton planter, and the output is very amazing, and now the textile industry of Datang is developing rapidly, and the demand for cotton is increasing, and cotton has been in short supply, so as long as they can lay a cotton production area in Tianzhu, it is an endless cornucopia.

As for tea, although the current Tianzhu tea is still wild, and it is not like the Tang Dynasty to treat tea as a commodity, but the Indian tea of later generations is very famous, and even replaced the status of China's tea country, which shows that the development of tea industry in Tianzhu is also an excellent way to make a fortune.

"Brother Seven, you misunderstood, what I asked is whether Tianzhu is good to fight over there? Although the sixth brother said that there are many small countries there, and the strength is not very strong, but according to the sixth brother's intelligence, the terrain there is relatively flat, and elephant soldiers, chariot soldiers and cavalry are prevalent, and the latter two are okay, but it is not easy to deal with elephant soldiers! Li Zhen said with a slight frown. He naturally believed in his sixth brother, after all, the person he admired the most was Li Su, but what he just asked was not about Tianzhu's economy, but about military affairs.

Li Yun studied the staff department, and he knew all branches of the military very well, and when he heard Li Zhen's words, he couldn't help frowning. The chariot soldiers had long been eliminated in the Central Plains, and Li Yun could think of several ways to restrain the chariot soldiers casually, so there was nothing to worry about. As for the cavalry, it only needs to form a cavalry that is more elite than the other party, which he and Li Zhen are also confident in. However, the elephant soldier is more troublesome, and he also knows that the elephant's huge size, if it really charges, I am afraid that there is only one way to restrain the other party.

"Artillery!" Li Zhen and Li Yun spoke almost at the same time, and then the two looked at each other and smiled bitterly, all firearms in the Tang Dynasty are contraband, and no private person can have them except for the army, not even the two princes. But fortunately, in addition to Datang, their sixth brother Li Su also produces artillery, but the price of artillery is not low, and if they want to deal with Tianzhu's huge elephant soldiers, I am afraid that they need to form an artillery unit, just thinking about the cost of this army, it is enough to make them unable to sleep. (To be continued.) For mobile phone users, please go to read. )