Apocalypse: I Have One More Keyword Than Others - Chapter 25 - 0 The advantage is on our side_1

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.

Ethen Cole travels to an era where everyone battles with pets. In a world revived by spiritual energy, danger and madness run rampant. Humanity relies on battle pet masters to establish bases and unite for survival.Before the college entrance examination, Ethen Cole is framed and expelled from school, losing his chance to study at the Battle Pet Academy. Just as he feels despair, the Battle Pet System for battle pets activates.“Ding! The Blue Riolux has evolved into a Emerald eyed Riolux!”From then on, Ethen Cole begins his legendary career as a battle pet master.

“I'm a fox girl, Master!”

Leveling up is not tedious if you have adorable girls by your side!

Leon started his second life with a challenging and callous test to receive a system, only to begin his first steps in another world with an adorable fox girl by his side.

How would these two start their journey, and who else will join them? What will Leon achieve in a different world? He may find more than just new happiness.

Six years ago, she signed the ten-month agreement with all her sorrows, and as agreed, she received the down payment. But when the agreed time came, the buyer did not show up to claim the 'treasure'. What was going on?Six years later, her precious son surprisingly told her, “Mommy, people might wear the same clothes or drive the same car, but I met someone today who actually has the same face as me! Can you believe it?”“Don't talk nonsense, how could someone look exactly like you?”Her son, dissatisfied, pulled his friend out. “Don't you believe me? Just take a look!”Lin Xiangwan took a glance, then, thud, she fainted, collapsing onto the ground.Who on earth... is this...?