MTL - Godly Stay-Home Dad - Chapter 1613 I was run away by God

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.

Accidentally reborn as the son of the distant cousin of the Squib, the mother of Harry Potter’s friend Ron, and lived in this world as the second generation of Squib for eleven years.

He originally planned to be an accountant like his father in the future, but he didn’t expect fate to play a joke on him, and he didn’t know the slightest bit of magic, but he received the exact same envelope as his sister on his eleventh birthday.

Due to the expectations of his parents, he reluctantly accepted the reality, but inadvertently discovered another secret…

- Description from novelbuddy

“I will be the strongest sorcerer in the world!”Ash said, with her mom chasing right behind trying to spank her for not finishing the vegetables.In a world of 8 different elemental attributes, a girl was born with a humble and basic [Fire] attribute, yet she grew up to be a narcissist with a flaming ego and a fiery loud-mouth. All because the first skill she used at the age of 5, was an unparalleled SSS-Rank [Fireball]And she would soon learn that this world wasn't so accommodating to her antics.

This time, the soul-transferred Naruto no longer worries about his lineage and ignores those strange looks, binding himself to the 'Take It Easy System'.[Option 1: Pursue Sakura. Reward: S-Rank Ninjutsu.][Option 2: Pursue Hinata, avoid ten years of detours. Reward: Kyubi’s approval (you can use Kyubi’s Chakra at will)]Is that even a question?Naruto decisively chooses Hinata.Naruto fishes by the river, and Mizuki suddenly appears.Mizuki: “Naruto, do you want to become stronger?”[Option 1: Refuse Mizuki’s invitation and tell him to get lost. Reward: Full level Fishing Mastery.] [Option 2: Accept Mizuki’s invitation and steal the Scroll of Seals. Reward: Impure World Reincarnation (Incomplete)]Naruto: Is there even a choice?Sandaime Hokage: “Where tree leaves dance... one shall find flames... the fire's shadow will illuminate the village... and once again tree leaves shall bud anew.”Naruto: “Smooth!”