Strongest Existence Becomes Teacher - Chapter 43: The Real Test Begins

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.

“Foodie + rebirth + whole group’s darling + real or fake rich lady + brainless villain”

The pure and silly little foodie Ye Jinmeng discovered that her new roommate was very unfriendly towards her. Having watched many Mary Sue dramas, Ye Jinmeng thought: could this be a villainess? But as long as she doesn’t steal my food, I don’t care how she acts.

Until later, Ye Jinmeng finally realized that she herself was the villainess…

Xu Wanwan discovered that the enemy who had destroyed her entire family in her previous life was actually living in the same dorm room as her. Having been reborn, her anger meter was instantly maxed out.

But who could tell her, how could this piglet be so knowledgeable about food?

Shi Shuning: In my wife’s eyes there is only food, not me. I feel wronged.

He Junting: ? You feel wronged compared to me? As long as your wife is around, my wife can’t even see me…

After successfully reaching the Core Formation Stage and forming his Golden Core, Bai Langtian was betrayed by his own Master. His core was ripped from his body, and he was thrown off a mountain cliff into a valley full of demonic beasts.Thankfully, he survived the fall, and met his senior sister, Shangguan Yue Ling.She too had been betrayed by the same Master and pushed into this valley ten years ago. Ever since, she had been surviving alone by eating the corrupted flesh of demonic beasts.Now, Yue Ling revealed to Langtian a new path of cultivation:Demonic Cultivation.To reclaim his strength and take revenge, he must consume the flesh and essence of ten thousand demonic beasts.

William Carter, a nuisance streamer, met his end in a predictably stupid way and was offered a second chance by an overworked Lord of Death.​Reborn in a ruthless Xianxia world as Wei Chen, he has a new mission: to use his entire skill set and a divine streaming kit to reduce the realm's astronomically high death rate from constant sect wars, conflicts, and the number one cause of death.... the all-powerful “Courting Death.”Live on Stream:Wei Chen: “If those so-called 'trash' underdogs were truly incapable of cultivating, why would every Jade Beauty in the province be obsessed with them!?”Wei Chen: “Think, Young Master! Think!”Young Master: T_T