MTL - Death Sutra - Chapter 1161 sneak into

What could be worse than getting married to a demon prince as a human princess for a forced truce?Being in a place surrounded by demons was like a nightmare to Aelin. Demons and humans have always despised each other after all. But things only go downhill, when her husband leaves her shortly after they spend a night together to go fight a war with unknown beings which leaves Aelin at the mercy of her enemies

Lin Ke traversed to this world and, with the help of a system, utilized modern knowledge to farm and develop, claiming kingship and dominance.This is a world of professionals, a world of swords and magic, a world of bloodline inheritance, and a world of countless racial conflicts!One day, Lin Ke rode a bicycle with training wheels past the army, facing an endless enemy ahead.[Shield Warrior], [Arsonist], [Tree Shepherdess], [Wind Whisperer], [Thunder Sword Maiden], [Eternal Freeze Knight], [Voodoo Warlock]...Looking at the diverse group of followers behind him—tall, short, plump, thin, old, weak, sick, and disabled—Lin Ke laughed and raised his arm to call out: “[Workers]! Delivery [Knights]! [Scientists]! [Doctors]... Raise the flag of Azanen and charge with me!”Thus, amidst the eerie cries and howls of his followers, the history of the boundless planes was forever changed.

The female protagonist transmigrated into a wretched, lazy, and gluttonous villainess in a farming family!Her notorious reputation, fostered by her overly pampering mother, alienated the entire family. See how Jinhua cleanses her name, becoming diligent, brave, and the applauded golden girl everyone praises.With a wretched mother, a sick father, a stepsister, four brothers, and a bunch of nephews, all dead broke and needing support, poor and infighting, what to do?No worries, with the System in hand, I have the world!Harmonize the family, build wealth and prosper.The belle of the villages for miles around, Jinhua the beauty!……Mountain man, what was it you said before? You'd rather die than marry her, and even one more glance would shorten your life?A certain mountain man: No, no, no, wife, you must have heard wrong! I said I'd rather die than not take another glance, and I'd shorten my lifespan just to marry you.Hmph, that's more like it!!

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.