Start With Contracting Sprites - Chapter 625 - The method to stop the annihilation (2 in 1)

A poor orphan, who lost both parents, stumbles upon a mysterious space and embarks on the path of cultivating immortality. From then on, he cultivates spiritual herbs, refines immortal pills, opens a shop, practices military formations, and establishes an immortal kingdom…This story is about cultivating immortality and farming, with a focus on ordinary people, not horses.

Li Xiaoyu was reborn back to the difficult fifties.

Vows to save the relatives who died of starvation in the previous life.

In order to fill his stomach and prevent his family from starving, Li Xiaoyu took the space to work hard to farm pharmaceuticals.

Growing grains in space, ripening four times a year, and refining medicines in a medicine cauldron, the efficacy of medicines is increased tenfold.

Grain and supplies are as happy as a little hamster.

Helping relatives smoothly, the villagers survived the disaster year.

I even rescued a young man, and since then I have been missed by the big tail wolf…

- Description from novelbuddy

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.