He couldn't remember the title of the book, but there was a novel that described the story of the protagonist traveling to the Tang Dynasty to fight for resources. It involved the discovery of the space-time tunnel.

Answer 1

" I don't think it'll necessarily satisfy your needs, but I'll try my best to recommend a novel that is most relevant to your description." The book " Crossing Time and Dominating the Great Tang " is a historical novel written by the author, Fan Shidao. The general plot of this novel is as follows:

I'm Tang Tian. I've transmigrated to the Great Tang world and will definitely dominate this place. My fate is up to me, not the heavens…
----------------------------
Northern Tang was a historical novel about the Five Dynasties and Ten Kingdoms written by the author, A Wasted Man of Jamsil. The general plot of this novel was:

A dark era where humans ate each other, an unlucky transmigrator, a new era of human history, the struggle of the Northern Tang Dynasty's ruling king, the legend and dream of the end of the Five Dynasties and Ten Kingdoms.
----------------------------
" Taobao Tang " was a historical novel written by the author, Dancing Bamboo. The general plot of this novel was:

The modern otaku brought the Taobao system to the Zhenguan period of the Tang Dynasty and began his life as an emperor.
The new book," Havoc in Heavenly Treasures " has been released. Welcome to read it.
----------------------------
" The Dream of the Great Tang " was a historical novel written by the author, Sui Dian Fan. The general plot of this novel was:

In the twenty-second year of Kaiyuan, a mysterious old Taoist sent a young man into Chang 'an…From then on, an uninvited guest who did not follow the rules broke into the magnificent Tang Dynasty…
----------------------------
The Sun and Moon in the Prosperous Tang Dynasty was a historical novel written by the author, the Drunkard. The general plot of the novel was:

There was no system, no old grandpa, and he was even chased by wolves at the beginning. He finally understood that he had transmigrated to the Great Tang, only to discover that even the Tang Dynasty needed an identity card…He wanted to see how the most unlucky transmigrator in history would make his own name in the Great Tang…
----------------------------
The book " Tyrant of the Great Tang " was a historical novel written by the author, Xiao Qingchen. The general plot of this novel was:

[The audio works of the same name have been uploaded on all major audio platforms. You can search for the title of the book on all major platforms to read!] Tang Xiaodong traveled through the prosperous Tang Dynasty, but the reality was not so easy. He could only struggle step by step and work hard to achieve his goal-the first tycoon in Tang.
----------------------------
The book " Great Tang Divine Military Advisor " was a historical novel written by the author, Piao Yi. The general plot of this novel was:

Li Yan, a modern worker, died of an electric shock in an accident. He actually transmigrated to 616, the year of the Sui Dynasty and the beginning of the Tang Dynasty, and was the son of an official. However, his father was dead and his family was in decline. He wanted to wait a few years until the world was peaceful. He wanted to rely on the advanced knowledge he had mastered to earn some money in the Great Tang Dynasty and live a petty life. He wanted to live the life of a young master. However, his transmigration was extraordinary, making it impossible for him to avoid the disputes of the chaotic world. Li Yan was forced to walk the path of assisting the Great Tang. From the battlefield to the imperial court, with his limited knowledge of history, he fought against treacherous officials, blackened Li Er, played with foreign gangs, and dominated the early Tang Dynasty. Let the rule of Zhenguan be more glorious, let the Great Tang expand its territory a little more, and let the four barbarians submit. Li Yan pushed the Tang train forward.
----------------------------
" The Adventures of the Tang Dynasty " was a historical novel written by the author who was a farmer. The general plot of the novel was:

Liang Xingfa, a young man who had just entered the workplace, traveled to the Tang Dynasty with the help of a civilian inventor, and it was during the most dangerous period of the An Lushan Rebellion. Later, Liang Xingfa received guidance from an expert and learned martial arts to help the Tang army quell the An Lushan Rebellion.
----------------------------
" Great Tang: From Prodigal to Landlord " was a historical novel written by Tumu Zi. The general plot of this novel was:

Qin Ming had been in a car accident and traveled to the Tang Dynasty. In the first year of Zhenguan, the King of Yan, Li Yi, rebelled. Because Li Yi was a transmigrator, he had received the news in advance. When he learned that Li Yi was going to occupy Mozhou, he sold his assets in advance. But because of this, he got the title of a prodigal. However, when he left Mo Zhou, he happened to meet Zhangsun Wuji and countless other big shots. From then on, he walked towards a life of cheating.
----------------------------
" Agent: I ruled the world in the Tang Dynasty " was a historical fiction novel written by the author, Heaven and Man's Heart. The general plot of this novel was:

Wang Xingguo had brought advanced modern weapons to the Tang Dynasty, which was very different from the modern era. There was Du Fu who lamented that " the world's poor scholars were all happy," Guo Ziyi, who had great martial arts, both civil and military, and was loyal and wise. There was also An Lushan, the warlord who had triggered the An Lushan Rebellion. In the face of the chaotic situation that was rolling in the long river of history, what kind of waves could Wang Xingguo stir up?