Donald Trump said that North Korea has been ‘playing’ America. Donald Trump had a meeting with the Chinese president Xi Jinping. North Korea’s only international ally is China.”If China is not going to solve North Korea, we will. That is all I am telling you,” Trump said in an interview with UK paper Financial Times. Trump said that China has done a little to help. Defence Secretary James Mattis warned that any use of nuclear weapons would be met with an overwhelming response which is probably a revenge.