It took nearly two years for Chen Xian to finally basically digest the large area of land north of the Dadong River on the Goryeo Peninsula he occupied, and the millions of people living on this land.

Just like Chen Xian foresaw, without the superstructure of mastering knowledge, they are illiterate, and the people at the bottom who were originally underfed and clothed are not difficult to buy and transform, and it can even be said to be easy.

After thoroughly cleaning up the vested interests in the occupied areas, Chen Xian quickly organized a management structure in Goryeo, established an agricultural company, and restored local production and life in Goryeo under the framework of the educated people he had transferred from Supolu, Goryeo Linju, Longzhou, and other places, as well as from Shandong.

At first, the local people were very frightened and uneasy, after all, in their opinion, this group of invaders who killed two classes of nobles like killing chickens was undoubtedly extremely murderous.

This fear uneasy the local people, but also made them very obedient and hardworking, because they thought that if they did not work hard, they would probably end up like the two classes of nobles who were hanged, after all, the lives of these untouchables were even less valuable.

But after a short month, they quickly settled down, for the untouchables found that the murderous invaders, as they had said, had not only given them sturdy and warm houses, but had also given them a small penny of the previous month's wages for their labour, as promised—enough for them to eat for a month's rations and enough copper coins for them to buy a new set of clothes.

It was only then that they began to believe that the invaders, who spoke Goryeo, were propagating that they were in fact the saviors of their poor people.

Once people start to believe, the rest is much easier.

Villages have been transformed into simple castles, new castles have risen in suitable places, all the people have been relocated to the castles, schools have been built in the castles, brick kilns, hydraulic factories, cement factories have risen on this land.

In this large-scale construction, the well-fed and clothed local people quickly integrated into the community built by Chen Xian.

Because these Goryeo untouchables, who originally had no place to stand, found that the things they built were not for the enjoyment of the nobles, and a large part of them were actually used on them.

Fortified towns could protect them from robbers, the neat brick courtyards were allocated to them for free, the schools were built so that their children could read and write, and what made them believe that Chen Xian was the savior, when they built these things, they received a salary that was enough for them to eat and clothe them every month.

And in this process, what did Chen Xian pay? In fact, most of the costs are the materials plundered from the local Goryeo nobles, these materials include food, money, materials, and of course, land, if you count the millions of acres of land income, in the past two years of investment, Chen Xian not only did not lose money, but also made a lot of money.

And in the past two years, Chen Xian has harvested hundreds of thousands of students, workers, and militiamen!

After personally inspecting the Goryeo Peninsula, Chen Xian thought that the time was ripe!

He once again mobilized a large army to station in the plains near Pingjing, mobilized a fleet to gather in the Datong River, and summoned tens of thousands of students from the occupied areas who had passed the examination.

Sensing the movements on the other side of the Taedong River, a sense of despair permeated the Goryeo court.

Two years ago, the blow of defeat made the de facto controller of Goryeo, Choi Xianzhong, ill and died after a few months of lingering on the bed.

Cui Xianzhong's eldest son, Cui Yi, relied on the remaining private soldiers left by his father and reluctantly took over the power.

But in just over a year, it was only enough for the transition of power, and because of this, the Koreans did not launch a counterattack for more than a year.

In order to resist the invaders, Cui Yi concentrated most of his father's private soldiers and local troops recruited from all over the country on the opposite bank of Pyeongjing, and he camped near the river, vowing to prevent the enemy from crossing the river and landing on the bank.

Chen Xian ordered the galleys to drag the sail warships into the Datong River, came to the river where Cui Yi was camped, used the battleships as batteries, and used as many as 20 20 catties of guns on each sail battleship to bombard Cui Yi's large array and camp.

More than a dozen huge ships of two or three hundred tons, and more than two hundred giant cannons of more than 20 catties, bombarded Cui Yi's military array and camp for most of the day, destroying Cui Yi's military formation and driving them out of their barracks without a single soldier.

Next, Chen Xiancai ordered a small sailboat carrying soldiers across the river to seize the beachhead.

The soldiers crossing the river took the beachhead without difficulty, and quickly formed a phalanx and pushed towards the large camp of the Koreans.

Eventually, they met little resistance and occupied the Goryeo army camp, which had been bombarded by shells.

After a busy night, Chen Xian transported the artillery and cavalry across the opposite bank.

Cui Yi, who was driven out of the camp by artillery, did not run far, he was thirty miles away from the camp, with his back against a county town, regaining his foothold, gathering the defeated soldiers, and starting to build the camp from scratch.

It's a pity that Chen Xian didn't plan to give him a chance, early the next morning, Chen Xian's army chased to the front of the county seat, and launched an attack after a little unfolding, the beginning of the attack, or the cannon opened the way, but this time the cannon power is not as good as the ship gun, only five catties of cannons and seven catties of cannons.

But even if it's Wu Wujin cannon, it's not something that flesh and blood can resist!

Cui Jun, who had already been bombarded by artillery, soon collapsed again under the intensive bombardment of hundreds of land artillery, and began to flee again.

What awaited them was the drive of Chen Xian's cavalry.

In this battle, Cui Yi's army was completely dispersed, and even Cui Yi himself did not escape from the pursuit of Chen Xian's cavalry, and was killed on the battlefield by the rebel army.

Before the war, Chen Xian had already issued an order that ordinary soldiers could not be killed, but officers only needed corpses, not prisoners!

This battle completely destroyed the resistance and will of the Goryeo people, and the next thing Chen Xian had to do was to receive.

Choi Yi was defeated, the elite of the Goryeo army was lost, and from the mouths of the defeated soldiers who fled from the front, the Goryeo nobles knew that the invasion had terrible cannons capable of tearing everything apart.

Choi's defeat also destroyed the foundation of the Choi family's rule, and the Choi family's political opponents took advantage of the opportunity to launch a coup d'état, which plunged the Goryeo court into complete chaos.

In this chaos, Chen Xian's army resolutely crushed from the east bank of the Datong River towards the Han River, and along the way, the two classes of nobles fled, the city was unguarded, and even the countryside fell into chaos.

Chen Xian's army advanced all the way, took over all the way, suppressed the chaos, hanged the bandits who took advantage of the fire to rob, and restored order.

The army was followed by officials and militiamen drawn from the north of the Datong River by Chen Xian, who could speak Chinese and Goryeo and quickly restore order in the occupied areas.

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