The Superstar's Contracted Wife Has A System - Chapter 81 Class Reunion (7)

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.

“Foodie + rebirth + whole group’s darling + real or fake rich lady + brainless villain”

The pure and silly little foodie Ye Jinmeng discovered that her new roommate was very unfriendly towards her. Having watched many Mary Sue dramas, Ye Jinmeng thought: could this be a villainess? But as long as she doesn’t steal my food, I don’t care how she acts.

Until later, Ye Jinmeng finally realized that she herself was the villainess…

Xu Wanwan discovered that the enemy who had destroyed her entire family in her previous life was actually living in the same dorm room as her. Having been reborn, her anger meter was instantly maxed out.

But who could tell her, how could this piglet be so knowledgeable about food?

Shi Shuning: In my wife’s eyes there is only food, not me. I feel wronged.

He Junting: ? You feel wronged compared to me? As long as your wife is around, my wife can’t even see me…

Yang Yi crossed over the world with a storage space with him. He ended up in some desolate wilderness populated by flying beasts and dangerous predators and also crawling poisonous bugs and snakes. To prevent getting bitten in the ass by venomous bugs when going to the toilet, let the great infrastructure begins –
Our goals are:
Eat well till full stomach.
Having clothes to wear but also being good looking.
To have a house that could cover all seasons.
Roads that leads to every place; develop agriculture, industry and commerce together.
No shortage of both material and spiritual needs.
He was DETERMINED to build a safe, comfortable and prosperous modern city in the wild world together with the native tribe with max efforts.

- Description from Novelupdates