After all, even the civilizations that later clearly joined the Human Interstellar Empire may not be undercover agents.
However, which civilization is not a traitor is still roughly known.
There are several civilizations that are indeed staunch supporters of the Human Interstellar Empire. Their reasons for support are very firm, and not entirely because of humanity's potential. More so, it's because their situation in the Thousand Alliance is not very favorable— the Xisoke Civilization is not an isolated example in the Thousand Alliance.
The war with the Mude System itself has already brought certain divergences and rifts within the Thousand Alliance.
After Shen Shi conducted a detailed analysis, even including sending people into the fourth future line to investigate more detailed and secret historical information, he summoned Silla.
