Datang: My father is the head bodyguard

Li Shimin felt a little bored while listening to a group of officials reporting on the recent situation in various places at the court meeting. Most of them were trivial matters such as which place was affected by the disaster and which place had a good harvest this year. Ever since the book Yuchi Baoqi handed over to him on the Great Drought was listed as a must-read book for officials, various disaster relief plans were widely discussed. It has been widely used in disaster areas and has achieved good results.

"If there is anything else important, please report it together. If there is nothing important, you can pack up and prepare to go with me to see if the national highway is open to traffic." Li Shimin wanted to get off work.

"I have this report. I impeach the Duke of Hubei, Wei Chi Jingde, and the Prince Consort, Wei Chi Baoqi, for their incompetence in the battle. The two father and son went to the outside of Songzhou City to repel the Tibetans but did not make any achievements. However, the Tang Dynasty spent only a small amount of military power and food. In order for them to go and regain the lost territory? When will they attack Tubo?" Changsun Wuji went out to impeach.

"Auxiliary machine, do you know what Yuchi Jingde and his son did in Songzhou City? Do you know that the Tibetan army avoided them like snakes and scorpions? If you don't know anything, what is the purpose of impeachment?"

Li Shimin was a little angry. Yuchi Baoqi alienated the Tubo people and the royal court. Not only did he capture Songtsen Gampo, but he also greatly weakened the Tubo royal court's control over their people. Various machines have been developed, and a batch of sugar has been shipped over. Although the journey is far away, it was still shipped back to Chang'an to honor myself.

"Your Majesty, we in the Tang Dynasty have never been punished for our words. I hope your Majesty will not be angry." Wei Zheng came out to persuade Li Shimin.

"That's the right I gave to the officials! Is his eldest son Wuji a remonstrating official? Impeachment and impeachment, he knows about impeaching my son-in-law all day long. I haven't made trouble for you yet, but you came to complain first!" Li Shimin Changsun Wuji was so frightened that he knelt down as soon as he slapped the table.

Changsun Wuji knelt on the ground, thinking nothing more than about the iron material leaking to the enemy, and colluding with Tibetan spies to assassinate the Duke and his son. Both of these are accomplices in crime and rebellion. His Majesty said that he did not cause trouble for himself. Could it be that he has been exposed?

Li Shimin saw him kneeling on the ground, and he felt helpless when he saw him like this. He knew Changsun Wuji's character best, and he must have resented Changle for not marrying into Changsun's family.

"Although all officials have the right to report things based on rumors, they should not make random claims. Impeachment must have certain evidence before reporting. Auxiliary officer, please get up. This matter will never happen again." Li Shimin concluded the matter and then made arrangements All civil and military officials went to the national highway to watch the opening ceremony.

Su Quan was thinking that the morning court should have ended long ago. It was almost lunch time, but there was no movement from His Majesty's side. When Su Quan was worried, he was wearing a bright silver armor and a tiger-faced helmet. Riding a black and divine horse, he arrived in front of the cornerstone of the national highway.

"Your Majesty, Jinwu Guards Commander Qin Qiong, who is the man from Lantian County? His Majesty has already set off, accompanied by hundreds of civil and military officials. Please be prepared for the reception." Qin Qiong was riding on the horse, holding the reins with one hand and a saber slung around his waist. , a temperament that can be defeated by thousands of people on the battlefield.

Su Quan immediately held up his hand: "I am a man from Lantian County. I have heard about General Qin's reputation for a long time, but now that I have met him, I feel that those rumors are not as good as seeing General Qin in person! We can receive you here at any time, I will make arrangements right now Go down, don’t worry, General Qin.”

Qin Qiong felt that Su Quan was a nice person. After saying hello and chatting for a while, Qin Qiong returned to Li Shimin to protect Li Er's personal safety.

When Li Shimin got off the imperial chariot, the first thing he saw was the half-man-high foundation stone. Li Shimin walked a few steps closer to the cornerstone, and Su Quan was following him, ready to answer his questions at any time.

The foundation stone is a stone tablet about half a person high, which reads: "This national road was built in the first year of Zhenguan in the Tang Dynasty. It was built by the Li family of Longxi, the Li family of Zhaojun, the Cui family of Boling, the Cui family of Qinghe, the Lu family of Fanyang, and the Zheng family of Xingyang. It was built with funds raised by the Taiyuan family and the Wang family of Taiyuan. It was supervised by the Tang royal family. His Majesty the Emperor of the Tang Dynasty felt that it was difficult for the people to travel, and it was even more difficult for the caravans to travel and sell goods, so he built this road to benefit the people."

Li Shimin nodded with satisfaction, pointed to a red rope hanging in the middle of the road, and asked: "What is this red rope hanging here for? There is also a big red flower in the middle. It's quite festive."

Su Quan quickly stepped forward and explained to Li Shimin: "Your Majesty, this is called the ribbon-cutting ceremony. My cousin said that there is a lot of sacrifice and extravagance. A ribbon-cutting is just right. Cutting the red rope means it is officially open to traffic." After that, he handed Li Shimin a pair of flat-head scissors with red flowers stuck on them and tassels on the handles.

Li Shimin walked up to the red rope with the exquisite scissors, looked at the civil and military officials, the heads of families with different surnames, and the onlookers gathered on the roadside, and said loudly.

"I am the Emperor of the Tang Dynasty. My son-in-law, Yuchi Baoqi, once said that if you want to be rich, you must first build roads. I want to help all the people of the Tang Dynasty to become rich and live a better life, so I asked the five surnames Qiwang to fund the construction of this road. Road, this road is officially open to traffic from today!" As he finished speaking, Li Shimin cut the red rope into two sections and walked back to the crowd, returning the scissors to Su Quan.

Su Quan followed Li Shimin and said, "Your Majesty, why don't you try this national road? I have prepared an ordinary carriage for your Majesty. Your Majesty doesn't want to try how the people use this road?"

Li Shimin waved his hand, and all civil and military officials followed me to try this national road! Then he got on an ordinary carriage. These carriages were the most ordinary. If he drove on the previous road, he would probably have a heart attack.

Li Shimin got into the car alone. Wang De hurriedly helped Li Shimin and got in by himself. Li Shimin stuck his head out to look for Su Quan, and waved to him to get in the car.

"In the past, a carriage could travel more than two hundred miles a day, and it would take three days to get from Chang'an to Luoyang. How is it now? Is there any estimate?" Li Shimin asked Su Quan.

Su Quan had already done his homework: "Your Majesty, due to road problems in the past, the wheels of carriages were made of wood and had greater friction. Nowadays, the wheels of these carriages are covered with iron sheets, and with this smooth road, The time from Chang'an to Luoyang has been shortened by more than half, that is, it only takes one and a half days to reach Luoyang."

Li Shimin was surprised that the distance was reduced by half. This road is good and must be repaired more. "What is this friction you are talking about that can make the carriage go faster?"

Su Quan started to popularize science: "Each material has a different friction coefficient. For example, the friction coefficient of glass is relatively small, so compared with wooden balls, glass balls can roll further on the table. Now we are equivalent to making the table It's flatter. The iron-coated wheels replace the wooden balls with glass balls. But my cousin's book says that the best wheel material is still rubber, and I don't know what it is."