The time soon came to the end of October, and Sang Yu, as usual, went to various workshops to follow up and guide the work every day.

She happened to be at the construction site that day, discussing with Yan how to speed up the construction of the drainage system.

But seeing the checkpoint guards coming on horseback, he shouted at Sang Yu from a distance: "Leader—leader—someone from the Rock Tribe is here to see you—"

Rock Tribe!

Sang Yu followed the prestige and subconsciously thought of Ya.

Is it for salt?

Thinking of meeting Ya, Sang Yu felt very happy. Ya was a friend she was more acquainted with in this era and she was more willing to make friends with, especially last time when she helped her out of righteousness, she had the opportunity to save more than two hundred people from The Eagle Tribe was rescued.

These people who have been rescued now have become the main builders of the new land and began to create unprecedented miracles on this land.

Although Ya did not directly participate in the rescue mission, she influenced the direction of the entire battle.

And at the time when the Phoenix Tribe had only 30 people fighting, she was willing to believe in herself, and now thinking about it, Sang Yu is still very grateful.

She quickly put down the work in hand, rode on Baixue and ran towards the checkpoint.

When she got to the place, she found that there was only one person who came, and it was Ya's close friend Bu, who she had met before.

Before she got off the horse, Bu ignored the danger of being kicked by the steed, and hurriedly ran up to her and knelt down on the ground, begging: "I beg Chief Sang to save our Rock Tribe."

When Sang Yu heard this, she was startled, and hurriedly got off her horse and asked what was going on.

Bu ran all the way here on his feet, hungry and thirsty, his dry mouth was cracked and blood was oozing from several openings.

Sang Yu took him to the reception hut behind the checkpoint, and at the same time ordered someone to go to the kitchen to get some food and drink.

Bu didn't have time to eat these, so he hurriedly told her what happened to the Rock Tribe, and asked her to help send troops to rescue their leader.

It turns out that the Rock Tribe has always had two opposing camps. One is the moderate faction headed by Ya's father Shan, and the other is the radical faction headed by Shan's half-brother Shi.

Over the years, Shan, as the leader, has always pursued a friendly internal and external strategy.

However, Shi didn't think so. He believed that the Rock tribe, as an influential tribe in the Eastern Wasteland, should take the opportunity to expand and develop, annexing the surrounding small tribes and expanding into a large tribe.

He scolded the mountain for being cowardly like a lamb more than once in public, thinking that the old, weak, women and children of the tribe should go to the mountain instead of wasting food.

The food that should have fallen on the head of the strong was divided by this group of weak people who could not work at all, and the hunters would no longer have the strength to fight.

Shi believes that the reason why the tribe has been stagnant is because of the weak regulations of Shan.

He is even more covetous about the position of leader, always wanting to pull down the mountain and want to replace it.

But Shan's prestige in the tribe made his plan fall through step by step, and it has remained stalemate for many years.

But tigers always take a nap, and Shi took advantage of the unpreparedness of the mountain to launch an assassination operation, and this time they succeeded.

Fortunately, Shan was fatal and did not die on the spot, but now he is lying on the bed dying.

Seeing Shan like this, Shi led the people to break into Shan's territory majestically, forcing him to hand over his position as leader.

Shan has more than 200 dedicated defenders. As long as he does not let go, Shi wants to control the entire tribe will inevitably have a fierce battle.

The two sides were evenly matched, and Shi decided to wait until Shan died. At that time, you can easily get the position of leader.

Shan only has two daughters, Ya and Min, no matter how capable Ya is. If the position of leader was passed on to a woman, Shi felt that even Shan's loyal followers might not agree.

The two sides were at war with each other, and all the backers were hanging in one breath.

Ya knew what would happen to her and her father's people once Shi gained power.

Absolutely unimaginable.

Now has come to a very critical juncture.

Wu was controlled by Shi's people, and no one treated her father's wounds. She didn't know how long he could last.

She needs foreign help, and she can solve this problem by cooperating with her from the inside out.

But which tribe is willing to take action against Shi, who has always been ruthless.

At this time, she thought of Sang Yu.

When she met Sang Yu at a trade fair, she felt that he was elusive. But she knew that this woman was definitely not someone to wait for.

To have salt, and such beautiful pottery.

In the battle of the Eagle Tribe, Ya admitted that she was absolutely shocked by the opponent's plan.

Thirty warriors blocked the eagle, a tribe known for its violence, in the cave, and rescued so many slaves, it was simply unbelievable.

Later, when I went to their tribe to carry salt, and saw that the other party planned a piece of fertile land and planted the seeds exchanged from the market in the ground, Ya could no longer look at that woman with the eyes of ordinary people.

About planting, Ya also talked to her tribe when she came back, and Shan also thought about it briefly. But Shi and others thought that the planting cycle was too long, and it took a long time to mature, which was a waste of manpower, and then the matter was left alone.

Looking at it now, the leader of the Phoenix Tribe is definitely the one who is at the forefront of their tribe, and also the one with the farthest vision and great wisdom.

In the last heavy snowfall, I heard that the Eagle Tribe led hundreds of elites to encircle and suppress the Phoenix Tribe, but they were all wiped out in the end.

In just one year, the group of slaves were trained to be qualified fighters, and the members of the Eagle Tribe were also given a severe lesson.

It's unbelievable.

Ya looked at the people walking up and down the entrance of the cave, everyone was looking forward to the death of her father, and finally made up her mind.

She found the most clever subordinate Bu, and handed him something, so that he would hand it over to Sang Yu of the Phoenix Tribe no matter what, and begged her to send troops to the Rock Tribe.

And this thing, in fact, Ya herself didn't know what it was, and she was not sure about this move.

The place where the rock tribe belongs is rich in all kinds of stones.

The best stone tools in the tribe also benefit from this.

In addition to hunting and gathering, rock tribes mainly made various stone tools and bone tools, and then used these weapons to exchange pottery and salt with other tribes.

Shan also knew that such an exchange was very passive, so he tried to make pottery.

But making pottery is quite difficult for rock tribes without any foundation.

Ya also participated in this activity. After they squeezed the mud, they put it directly into the fire and burned it. Unfortunately, the quality of the clay was not up to standard, and it hadn’t been dried in the shade. They didn’t build a kiln. Later, they built a kiln, and the kiln didn’t know how to seal it. , the result can be imagined.

The people of the rock tribe eventually gave up on this path, and they really don't have the talent in this area.

But Ya discovered that the stones used to build the pottery kiln had undergone slight changes after months of uninterrupted burning.

Ya couldn't tell what had changed, but she felt something was wrong with the stone, with some shiny spots on it, some of which were missing, and these stones were getting blacker as they burned, not the kind of black that was stained with ashes, the surface of the stone was burned Later, some will explode, and the surface of the burned layer will become harder.

But no matter how you continue to burn, there will be no change.

She couldn't explain the reason, but this time Bu was brought here, in fact, a large part of it was a gamble.

After the Battle of the Eagle Tribe, she took Bu and others to carry salt, and she heard Sang Yu order the hunting team to pay special attention to the rocks on the mountain. Bring it back for her identification.

So when she found these strange stones in the pottery kiln, she paid more attention to them. But I don't know if it's the type that Sang Yu wants.

She was betting that the leader of the Phoenix Tribe would be interested in seeing this strange stone, and she was also betting that even if the stone was useless, the Phoenix Tribe would still be willing to save it.

At this time, Sang Yu listened to the ins and outs of the whole incident, and then looked at the black stone on the table, with light in his eyes.

This is iron ore, the appearance of this thing. Once the refining is successful, it will be announced that the primitive society will skip the Bronze Age directly from the Stone Age and enter the Iron Age, and human productivity will have an unprecedented increase.

This will be a discovery across the ages.

Of course, it must be under the condition of successful refining.

In the history of China, early humans experienced the Stone Age, the Bronze Age, and the Iron Age in sequence.

Bronze and iron both require high-temperature smelting to achieve.

In fact, copper ore and iron ore have always existed side by side. The reason why it entered the Bronze Age first was because gold and copper had low melting points, and the smelting conditions at that time could only smelt these kinds of ores with low melting points.

The melting point of iron is too high, and it could not be melted at that time.

Therefore, in the absence of breakthroughs in high-temperature smelting technology, society will remain in the Bronze Age for a long time.

But it doesn't mean that all regions have to experience the Bronze Age.

For example, in the Yayoi period of the island country, they were in the Stone Age for a long time.

At the same time, the conversion of copper and iron has been completed in the Eastern Han Dynasty. As a result, bronze and ironware of the Han Dynasty were introduced to the island country almost at the same time.

At the same time, it also includes some areas in South America. With the permission of technology, these areas directly crossed from the Stone Age to the Iron Age.

In other words, when you master more advanced ironmaking technology, you don't need to go through the Bronze Age again.

And the iron-smelting technology, of course, can also smelt copper and gold.

There are great disadvantages in the use of bronze ware. As a cooking utensil, there is still a lot of lead in it. Cooking with this thing is tantamount to slow suicide.

As a weapon, bronze weapons are very brittle. You only need to pour the melted liquid into the mold, and then cool and quench to form it. It cannot be forged like modern steel knives, because it will break when hit by a hammer.

But bronze weapons did see battle. However, it is generally only suitable for stabbing, not for chopping, and is easy to break.

Bronze ware is, to a large extent, a symbol of identity and status.

There is another big problem. Compared with iron ore, copper ore is more scarce.

Because of the scarcity of copper, it can exist as currency in the later period.

Therefore, no matter from which aspect it is analyzed, the ironmaking plan is imperative.

Iron smelting is not so mysterious and difficult. As a modern person who traveled through time, Sang Yu has read many popular science books, videos and programs about iron smelting, and probably knows the conditions needed for iron smelting.

Blast furnaces, blowers, limestone, charcoal and other materials are not difficult to obtain.

Iron smelting technology already existed in the Spring and Autumn Period and the Warring States Period. The ancients could research it, and the jungle boys in the modern wild can also practice iron tools. Now that I already know its forging principle, nothing is impossible.

Even leaving aside the iron ore, whether it's from the perspective of friends' morality or gratitude, she will go to the Rock Tribe this time.

Sang Yu asked Bu to wait, and he urgently called the team leader for a meeting.

The purpose of this meeting is not to solicit the opinions of the big guys. She has the final say on the general direction of the tribe now, but the specific executors of the task, including the Eagle tribe who sent troops before, must have this work ahead.

The purpose is to unify the thinking and reach a consensus, so that such an army will be able to work together with one mind and no disadvantages.

However, at the beginning of the meeting, everyone generally focused on whether it was appropriate to send troops to the Rock Tribe.

Sang Yu didn't stop everyone from discussing. These people have been following her for two years. She also wanted to see what everyone thought and if there was anyone who could agree with her.

There is support and there is opposition.

The most vocal objection was Jiao. He believed that the tribe was developing well and shouldn't cause problems.

Gao is now cooperating with Sangyu in management, knowing that the development of the tribe is not easy now, and he is unwilling to use his own people to go out to fight.

Absolutely support the fight is the feather.

Sang Yu could guess in her mind that she subconsciously supported Sang Yu's decision.

no matter what.

But she is young, the youngest of all the captains, and in the eyes of others, she is even a child.

Seeing her categorically supporting the battle, Jiao was instantly displeased. But thinking that Sang Yu valued her so much on weekdays, she had no choice but to hold back.

Before making a decision, Sang Yu actually had her own considerations. She analyzed the strength of the rock tribe. There were a total of 800 people, and the supporters of the mountain and the stone were more than 200 each. The rest were some who had no opinions.

It was just because of Shan's injury that people in the tribe were in a state of panic, and those who didn't have their own opinions only wanted to cling to the strong. At this time, the strength Shi displayed made them afraid.

Even if I appreciate the mountains more on weekdays, I have to move closer to the stones for the future.

Therefore, there is a phenomenon that Shi has already controlled more than half of the tribe.

But once his own reinforcements arrive, it is bound to break this phenomenon.

Unlike Jiao, Yan's body is straight, and he only said: "Everything depends on the leader's intentions. If the leader says to fight, he will fight. If the leader says not to fight, he will not fight."

Zhuang, who is naive, naturally has the same attitude as Yan, pointing and hitting.

Seeing them like this, Jiao had a slight disappointment on his face.

Sang Yu smiled and said: "I have my own considerations, and I want to hear your opinions. I want to see what I have missed. You can save trouble."

After speaking, he put the black stone that he brought with him on the stone table.

Let Yu go to the kitchen and Yuan to get the steel knife he brought from modern times.

Putting the two things together, he said: "This stone can create a weapon of the same quality as this knife, and this kind of stone is only available in the rock tribe."

Although steel is not the same as iron, iron is enough at this time.

As soon as she finished speaking, everyone gasped.

They have seen the power of Sang Yu's small knife before, it is extremely sharp.

They thought that only the leader's hometown had this kind of knife, but they didn't expect that their tribe could also make such a knife?

The eyes of the few people who had no objection before were also brightened.

Sang Yu said: "The place where our Phoenix Tribe is now, we usually use our feet to measure the distance, and the farthest place we go may be the Black Mountain Tribe.

But have you ever thought about whether someone is already refining this thing in a place farther away from the Black Mountain Tribe. Once there, our current equipment will be vulnerable. "

The traffic here is blocked, and the information is not circulated, to be honest. Based on the tribe's information alone, she has no way of determining the exact era she is in. The world is so vast that it is impossible for all places to be in the same productive period.

The distance between the center and the edge of the world may not be more than a few centuries.

It is not ruled out that someone may have established a kingdom in the north and south.

It's okay if they don't, but if they do, they have to be prepared.

Sang Yu's words immediately made everyone tense up, and the sense of urgency lingered in their minds in an instant.

"Leader, let's gather people quickly, Shanheya won't be able to hold on if it's too late."

Yan couldn't help urging.

As the military commander of the tribe, weapons are very attractive to him.

Kaku finally changed his posture and supported the battle.

Seeing that the opinions reached a consensus, the enthusiasm of all the team leaders was mobilized, and this middle management mobilization meeting was considered to have achieved its goal.

Sang Yu didn't hesitate anymore, and said loudly: "Call everyone to line up immediately!"

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