The President of Donald trump and his Chinese counterparts there are several reasons for disagreement, but none is more potentially explosive or deadly than North Korea.

When trump and President XI Jinping met on the first summit, the active participation of Pyongyang's nuclear and missile tests took priority. American officials are warning that the era of the so-called strategic patience ended. Trump recently said that "if China does not solve the problem of North Korea, we will do it". For decades the US was looking for a way to stop the nuclear potential of North Korea, but nothing came of it. Experts say that Trump won't be easy.

Experts, officials and lawmakers say that there are a number of reasons why the North Korean challenge is so thorny. They point to the reckless 33-year-old leader, Kim Jong-UN
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