She Becomes Glamorous After The Engagement Annulment - Chapter 619 - How Is She Different?

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.

She was once a revered divine doctor but was betrayed and framed by a jealous senior sister, resulting in her soul transmigrating to another world.In a strange world, with her emaciated body, a poor family, a kind but bullied disabled father, and malicious relatives.An accident granted her the divine eyes, allowing her to not only see people's past and predict their future but also to discern the condition of their bodies.Even more peculiar was the worn bracelet on her hand, which turned out to be a space artifact from ancient times.The world was vast, and there were many eccentrics who ridiculed her family's status, unaware that in secrecy, she was a mysterious figure whom countless influential figures wanted to invite over for tea.Yet, as she relished the pleasures of being reborn, there were always people trying to provoke her!President Mo, what do you want?!If I can't provoke you, I can always hide from you, right?!

Omnipotent A-Grade Cool Female Lead VS Secret Passionate and Domineering Male Lead That Loves Assuming and is Easily Jealous

Victoria Garcia signed a slave contract, but accidentally fainted in bed!“Arnold Johnson, you are a monster! You said you could wait three years!” She complained!“I would be less than one if I didn't take an opportunity after it presents itself!”Then, on a certain night...“You're a scoundrel and a scumbag!” Xiu Xiangwan yelled on the verge of falling apart.“I could be worse if you dare to test me!”“...”Arnold Johnson is the second child of the Johnson family, one of the six top families of business magnates and owners of Johnson Holdings. Everyone says that he was affably evil and elegantly ruthless, and he was said to have seized an opening to engineer his own brother's death, hence inheriting Johnson Holdings!Victoria Garcia was the daughter of a family who now fell to dire straits, pawning herself off to Arnold Johnson to keep her mother out of prison...