Swordsmeister of Rome - Chapter 217: Backstabbing

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.

Living an unfulfilled life, Zack Gray meets an untimely end–that is, until he’s given a second chance, in a new world, under a new name: “Leon Schoeller.” Heir to the Schoeller Estate, a powerful and prestigious noble family, a life of luxury surrounded by maids and butlers of elite skills of their own awaits the reborn man.[Lord System Activated.]In addition to being blessed with a genius mind and magical talent, the [Lord System] grants Leon supernatural abilities, from empowering his servants, conquering beasts, and even manipulating his mansion.However, as gifted as he finds himself, the world around him is full of lurking threats, forcing him to level up if he expects to keep his cozy life intact.

Divorced, disowned and down on her luck, Shui Anluo was determined to move on and live a peaceful life… That is, until her ex-husband somehow managed to find out about her baby. Now, he’s insisting that she should move back in with him. Soon, he realizes that he cannot live without her… But the road to marriage is bumpy, and Shui Anluo isn’t too willing to go through with the heartbreak again. Can she take back everything that belongs to her? Will she find the courage to jump in and fall in love again?

The novel follows the story of Arnold, a porter, who accompanies warriors and superhumans inside dangerous dungeons, which are distinguished by their colours. The porters were always mistreated by the modern human civilization and even though their job was riskier than that of warriors and superhumans, their existence was never appreciated nor were they paid well. No one knows why these dungeons started to appear all over the world. The only thing they know was the dangers that would find their way into the world if they didn’t kill the monsters. But only a selected few cared about the calamity because for the rest it was all about earning money and gaining power. But nothing in this new world is constant and everything keeps changing, and this time the change would find its way towards an ordinary Porter. After stealing a scroll from the dungeon, he ran off to his home. The scroll gave him powers no one could’ve imagined to gain. But he wasn’t alone. 9 other humans had been granted similar powers... powers of the Gods! What would Arnold do with his newfound powers? Will he kill the other 8 Paladins and rule over the world which had oppressed him for years? Or will he rise against the Gods and make them repent for their crimes? Can the strength lent by the Gods be sufficient to deal with them once and for all? Would he be able to defeat his creator? Or will he join the Gods instead? Too many questions, too little time. The decisions he would make could be the end of humanity Or would an ordinary Porter, become he world’s only hope? Follow me on the journey to the power of this ordinary Porter as he becomes the Savior or the Devil.