MTL - I Have a City in a Different World - v2 Chapter 50 Solve problems for the mayor

A scientific genius named Thomas Harrier was transmigrated to an imperial prince body after a car accident that took his life. He found out that he is in a world similar to our own with a timeline akin to early twentieth century. The body that he is occupying was the imperial prince of a failing empire who suddenly rose to power after a successful assassination attempt of his father. Unaware that the attack is just the beginning of what is to come. He faces many challenges throughout. Will Thomas Harrier be able to live his second life in peace while running an empire and getting it back to its former glory? Or will he succumb into a conspiracy lurking within the country's borders?

Expect some:

Cold war era techs.

Super battleship with advanced electronics, propulsion, and fire control systems?
Helicopters?
Missiles?
Modern medicines and equipment?
AC-130?
A nuke?
Challenger or Abrams or Leopard?
F-4 Phantom or MIG-21?
Colored TV's.

Everything!!!

PS. Cover not mine, I just found it on google.

The overhead of the Tang Dynasty, the story of capturing the spirits.

“The stones on the other mountains are hard enough to carve and polish jade”.

To Prince Cheng, Lin Chengyou, Teng Yuyi is the piece of “jade” that he can not capture.

The proud son of the heavens is on the road to chase his wife to death.

- Description from Novelupdates

Transmigrating into a poor and mistreated young lady's body, what will the craziest alchemist of the seven realms now do?

The long night shrouds the world, and the dawn is late in coming.Evil descends upon the land, causing immense suffering to all creatures.He roams through the long night, wanders on the edge of the blade, and sways between the clouds and hell.Igniting the fire of the star soul.Since the night is long, then I shall be the lord of the night.