American role in that is minimal... It is Russia and China that give fuel to North Korea in exchange for denucleorisation of N.Korea. America's part is... ahem... in unfreezing part of money that belong to N. Korea. America's behavior once again is the behavior of a thief that return a part of stolen. Once again you can see by your own eyes who works for the stabilization in the world and who just returns the part of what have been stolen.