Everyone was extremely surprised. They never expected that a domineering country like America would actually choose to bide its time and develop in secret for a whole three years.
When Professor Yu Zhou and the technological debris from his laboratory were brought back, they had assumed that America would surely make trouble. Given America's habitual tendency to act crazy, they even worried it might pull off some new trick.
However, just as they were pondering why America had changed its usual style, they finally learned the answer from Chuchu's inner voice.
Chapter 251