MTL - Start the Source of Fire and Create a Mechanical Army - Chapter 78

As the Martial Arts Emperor, live-streaming superstar, and kung fu megastar, Wu Li says: 'Sanda, boxing, judo, Muay Thai, Jeet Kune Do, karate...whatever you practice, in the martial arts there are just two words: one horizontal, one vertical; if you do it right, you stand; if you do it wrong, you lie down.'......When Wu Li gains a martial arts system and discovers that live-streaming is the way to get stronger,【The number of live-stream viewers breaks through a hundred thousand, gaining a hundred thousand fan points】【Spend fan points to upgrade Baji Fist to master level】【Spend fan points to exchange for the passive skill 'Muscle Man'】......Wu Li: 'When the whole world is watching my live stream, I am the strongest man in the world!'

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.

Blue sky, white clouds, lazily lying on the beach, while feeling the gentle breeze coming from the sea. Hounds at the side with marine animals chasing each other around. Cups of unrivaled wine from his personal winery with cuts of prime A grade steaks readily around. For others, life is all about pursuing money, power, and fame, but for Jiang Hai, this type of lifestyle is what he constantly dreamed of.

- Description from Novelupdates

Demons? Monsters? It was a fox demon who came to his room and seduced him at night. A wedding to tie their fates together.Bai Yunzhi, the fox demon who fell in love with Su Bian. Su Bian helped her mother 25 years ago, and Bai Yunzhi repaid her family favor. She dual cultivates with Su Bian on her wedding night with twists and turns, thus tying the red rope of marriage to each other.