Oil is an indispensable resource for any country, at least in modern times.

However, although there was no use for oil development in ancient times, protecting the discovered oil is still an urgent responsibility for Jiang Qinyu, a modern person.

Not to mention that she has access to the system and can obtain a series of assistance for oil development at any time, the mere fact that she uses oil as fuel is enough to shock other countries in this land.

In addition, Jiang Qinyu could purchase detectors to mark and estimate the oil reserves in Da Yue in advance, so as to plan the development process for future generations.

The most important thing right now is to win this battle; they must win!

Jiang Qinyu's eyes narrowed slightly, but she quickly regained her composure and called over Amber to ask, "How are the tasks assigned to the village progressing?"

"Your Highness, everything is going smoothly with Aunt Qin, but there's been a problem with Aunt Meng," Amber replied after bowing.

Their status as prince and princess has changed. A few days ago, Old Master Lu specially helped to find a nanny to teach them manners. The princess was not very willing at first, but was persuaded by the old man.

Grandpa Lu said, "Whether you go to Beijing or stay here in the future, all sorts of people will come to pay their respects. At the very least, the people around you should know how to deal with different kinds of people and their manners, right?"

The princess agreed after hearing this.

They also have more servants than before, all of whom were bought at the prince's behest, and they are all currently undergoing training.

Yes, the word "training" was also used by the princess, and she thought it was very apt, as it refers to cultivation and training.

Upon hearing this, Jiang Qinyu asked, puzzled, "What's wrong with Aunt Meng?"

“Aunt Meng is in charge of people recruited from other villages. Many of them can’t keep up with the pace of our villagers. In order to catch up, Aunt Meng has to arrange for them to work in three shifts,” Amber replied.

Jiang Qinyu thought for a moment and said, "Progress and quality come first. Three shifts are fine. Go tell Aunt Meng to reimburse me for any extra wages."

“No need, Your Highness. Aunt Meng calculated their wages based on their working hours, and it comes out to be the same as the wages you offered before. Aunt Meng is very clever!” Amber said with a smile.

Jiang Qinyu smiled too. As expected of Village Chief Li's wife, she was quick-witted and good at accounting.

“Oh, right,” Amber said as if suddenly remembering something, “the Wang family has returned to the village, and they also want to help with the work. Would Your Highness agree?”

Jiang Qinyu was taken aback. "Which Wang family?"

"It's Wang Bo's family. His son used to be a deserter in the border town. Later, he fled to the Western Qiang army and helped them make gunpowder weapons to break through the city." Amber's face was full of disgust when she mentioned Wang Bo.

In that battle, because the Western Qiang used gunpowder weapons, the border troops suffered more casualties than expected, and the city gates were also blown up. It was all caused by that traitor Wang Bo!

Jiang Qinyu then realized that it had been a while since she had seen the Wang family. "What are they doing back?"

Amber shook her head. "I don't know. They just came to Aunt Qin, and Aunt Qin was afraid they had ulterior motives, so she sent me to ask."

Everyone in the village knew about the entanglements between the Wang family and Jiang Qinyu and the Lu family, so Aunt Qin naturally wouldn't easily give in to the Wang family.

Jiang Qinyu said, "Have Aunt Qin follow the normal recruitment process. If they meet the requirements, let them stay." She paused and then added, "Tell Yang Xiao to check on the Wang family and keep an eye on their movements."

"Yes, this servant will take care of it immediately." Amber curtsied and withdrew.

Jiang Qinyu still remembered what Granny Wang had said to her last time. On the surface, she seemed to have a complete awakening, and after Wang Jinhua died, no one from the Wang family came to bother her.

However, she wouldn't easily trust them; it was better to keep an eye on them.

With Lu Yanzheng away on campaign, she has to take charge of all logistics and provide supplies for the army. She can't be distracted and has no time to keep an eye on anyone, so she can only leave it to her subordinates.

Yang Xiao is the fourth of the five Yang brothers. He is incredibly fast and is best at gathering information and escaping. Lu Yanzheng specially arranged for him to join the army's scout battalion, and now he is a minor adjutant.

She had the villagers make sweet potato starch, which is not only filling but also easy to transport and store. It keeps for a long time without spoiling, and it also provides the soldiers with a change of pace.

This year, there was a bumper harvest of sweet potatoes in Northwest China. After keeping enough for their own consumption, the people sold the surplus to the government. Lu Yanzheng stored all the harvested sweet potatoes in his cellar.

But simply storing them in the cellar wouldn't work; they would still spoil if not eaten for a long time. That's when Jiang Qinyu came up with the idea of ​​deep processing sweet potatoes.

There are countless sweet potato products available.

The most common products are sweet potato starch, sweet potato noodles, sweet potato dumpling wrappers, etc. If a complete industrial chain is formed, these products can be sold to other countries through caravans in the future.

The Northwest Army had a large amount of logistical supplies, but Jiang Qinyu had limited energy, so she handed the matter over to Village Chief Li and became a hands-off manager.

After obtaining the production method, Village Chief Li immediately gathered the villagers to make the corresponding tools, and the workshop was set up in three days.

With a major battle imminent, no one cared whether there was a decent workshop or house to work in. They would just find an open space, set up a shed, and get to work.

Right now, Village Chief Li is so busy at the workshop that he barely has time to rest.

"Hey you, Linzi, you've got it wrong. How did you grind it into powder? It's so coarse, how are others supposed to use it later?"

"Oh dear, Aunt Liu, look at what you've done! The pieces are all uneven. Would anyone dare to eat them?"

"And you..."

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