Even Wang Hu was paying attention to the matter while in the Tiger King's Cave, let alone the other alliances.
All of them were openly and secretly hard at work because of this.
Further explanation wasn't needed for the secret investigations. As for open investigations, several official inquiries were made to China.
It wasn't just about Zhu Hongming and Liu Jixiu. They also asked about how China's combat power had improved by so much in such a short time.
On the surface, it naturally wasn't appropriate for them to ask about it so straightforwardly. However, everything that they said or implied was all asking about the same thing.
China would never give them the answer so easily, of course. Both parties maintained an amicable front while going back and forth.