I Have Unparalleled Comprehension - Chapter 1052 - : The Absolute Saint’s Investment

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.

Li Yiyi never expected to be chosen by fate, being suddenly ripped from the modern times to the ancient times. It wasn’t a full-body transmigration, just a soul transfer. Heaven must have thought it would be too exhausting to send everything over, so only the essence got transferred.In ancient times, Li Yiyi became Li Suniang, a newly widowed woman with a young child. While technology in ancient times wasn’t advanced, the air was fresh and there was no need to worry about pollutants. All the food was purely organic with no pesticide residue or concerns about genetically modified ingredients.It was often said that widows attracted trouble, and sure enough, this young widow caught the eye of a scarred man in the village. Despite his fierce appearance, he turned out to be a gentle person. In the end, the scarred man married the widow and, together with her child, and they began a life filled with mutual support and raising a family.

To exist in a certain place, at a certain time—it's always either by chance, or by choice.But sometimes,There is a third force.One that doesn't ask.One that doesn't explain.It simply places you—wherever it wants.Arséne had always been dragged into places he never chose.Situations he never asked for.Realities he never belonged to.And when, at last, he decided to act on his own terms—To take the initiative,To move first,To choose…He simply died.

He was a wealthy and mysterious financial backer who had appeared before her when she needed money the most. After the courtship, she took the money and left.