After the World's Destruction, I Was Reborn and Chose to Build a Strong Nation

After the world is destroyed, Xu Cong returns to five hundred years earlier, when he was about to take part in the Human Freezing Program. Knowing how humanity's future will unfold, Xu Cong no longer wants to be frozen.

When he gets home, he discovers a key on his person that lets him travel back and forth between the present and the future.

Determined not to repeat the past, he decisively uses the technological civilization of five hundred years in the future to arm the Yanlong Kingdom from behind the scenes!

All kinds of rare resources, 2 nm lithography machines, controlled nuclear fusion technology, space battleships, alien technology!

Whatever the Yanlong Kingdom needs, he supplies it at a fraction of the cost!

Five hundred years later, when aliens encounter humanity in the Milky Way, they are utterly dumbfounded!

This novel and its characters are entirely fictional. Any resemblance to real people or events is purely coincidental. Do not imitate.