This Marriage Will Surely Succeed - Chapter 179

Xie Jin is an international student studying in the United States. Because of an accident, he obtained a special ability that allows him to detect the attributes of all objects within a certain range. Because of this ability, he started from panning for gold and gradually went to the country of Bald Eagle. The pinnacle of wealth. (No abuse, no depression, logical, straightforward and reasonable road to the rise of North American chaebols)

- Description from novelbuddy

Warning: This novel contains explicit adult content, violence, and a ruthless anti-hero MC. Read at your own risk.I was the strongest player in the world—until they betrayed me.When I woke up, I wasn’t a player anymore. I was just an NPC. A nameless mob, doomed to be farmed for EXP and discarded like trash.But then, I heard it:(You have been killed.)(Unique Skill Activated: Infinite Resurrection.)(Each death makes you stronger.)Every time a player slaughters me, I steal their stats, their skills, and their power. I evolve beyond the system’s control, beyond the limits of this world.They thought I was nothing.They thought they could use me, farm me, erase me.Now, I am the final boss—and I will make them suffer.On the battlefield, and in my bed.They will submit. One way or another.

After traveling through time and space and becoming the younger brother of Uchiha Fugaku, Uchiha Yuto felt very panicked! He was preparing to practice hard to become the God of the Ninja World and suppress everyone, but after graduating from the Ninja Academy, he suddenly discovered that he had another path to take!“Itachi, don’t be a ninja; be a prodigal son! Uncle will give you money. The more you spend, the more popular you will be.”Being a ninja can't save the Uchiha! — Uchiha YutoThe more money Uchiha Yuto makes, the stronger his abilities will become!

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.