I Hand Over Black Technology, and the Nation Helps Me Become a Top-Tier Star!

[Tech-Driven Patriotism] [Livestream Whaling] Chen Fan is reborn before aliens descend and bring about the apocalypse. He awakens a black-tech System and decisively chooses to cooperate with his country. The deal is simple: he helps the nation advance its civilization, and the nation bankrolls his endless spending. The technology he trades for through the System is far beyond the modern world's level. "Chen Fan! What other missions has the System given you? We'll help you with them!" "Money's no problem. Spend whatever you need! That Dyson sphere looks pretty good. Let's get a few for fun!" "Hey! We didn't start the war on purpose. It was all for research." "What are we researching? Obviously, farming on other planets!"