Progressed countries must check China's action.
Very dangerous and rude.
Look East-China Sea.
Look South-China Sea.
Do you know what China do the terrible thing now?
China must learn international law.
And China must know that many countries are very angry against China's action.
Chinese leaders's idea is out of date.
He tries to become the emperor of the world in modern times.
Very dangerous man.
So progressed countries must check China's action.