Let You Study Abroad, and You Build a Mecha to Defeat Yingjiang?

Three years ago, Jiang Ze traveled thousands of miles to study in Yingjiang Country. Never thought about it. Yingjiang actually put him under house arrest and prohibited him from returning to the country! Fortunately, the strongest technology system is activated at this time, and the nuclear-powered mecha blueprint will be rewarded at the beginning! In order to return to the country, he pretended to be willing to cooperate with the Eagle Country. Using Yingjiang Country's money and Yingjiang Country's resources, the mecha was manufactured! Jiang Ze: "Okay, the mecha is completed, and it's time for me to return home with my results!" Eagle Sauce Country: "?" The next second, the mecha took off! In order to return to his country, Jiang Ze drove his mecha and conquered almost the entire Eagle Country! When news of the deeds reached the country, countless citizens were shocked. "I asked you to study abroad, but you actually overthrew the Eagle Country!?"