Trump: Only one thing works with North Korea

US President Donald Trump has again expressed in loud terms about North Korea.

'Former governments have spoken for 25 years with North Korea, signed agreements and paid large amounts of money... Has not worked ', Tweeted Trump. According to the president, 'agreements were violated even before the ink was dried up and the American negotiators were put in a hurry. '

The president has previously suggested military action. 'We will totally destroy North Korea, if necessary,' said Trump earlier.