MTL - After the Eldest Sister-in-law Died Young, Dai Wen Remarried. - Chapter 2 want money

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.

“Your fate has been decided. You knew this when you made that decision years ago. The only way out for your family is for your son to marry the Daughter of Destiny. Only her fate is strong enough to save your lineage,” the priest said.“Then we must find this Daughter of Destiny,” the king declared.After committing many evil deeds, a dying king tries to save his family from the wrath of heaven.He had defied heaven once, and he was confident he could do it again. Anastasia, the unflavoured daughter of Duke Thompson, becomes the prey whose good fortune will be used to save the royal family.Would he succeed?? Find out!!

Lin Xiao was an orphan who strived to get stronger while living with his sickly younger brother in an unnamed small village.

The world ended.Zombies and monsters rose. Cities crumbled.And Merek? He woke up in the apocalypse with a job that lets him create armor for lingering souls—spirits without bodies, desperate for purpose.Turns out, the dead don’t rest easy. Some are angry. Some vengeful. Others? Just lost. When Merek binds them into steel warframes, they don’t just fight... they evolve.Now, he leads a legion of the undead—ghosts in armor, bound to him by oath and fate.Faction leaders call him mad. Warlords want him dead. And God? If He’s watching, He’s not talking.Merek was supposed to die with everyone else.Instead, he got a support type job no one’s heard of... and a shot at rewriting his pathetic Earth-life.In this world, only the fittest survive.And Merek? He’s got undeads in steel at his side.