Last April, North Korea declares to the world that they have two nuclear weapons. Even though many countries predicted that North Korea has nuclear weapons, it brought the fear to many countries near North Korea and United States. Many countries agree on that North Korea should not have nuclear weapons, but each country have different opinions for the solution. North Korea wants U.S. to sign the peace treaty that U.S. will not attack North Korea, also they want U.S. to make compensation for not selling their missiles to other countries. With all these demand, North Korea is not giving up their nuclear weapons for their self-defense. On the other side, U.S. wants North Korea to give up nuclear weapons and exporting missiles. U.S. also wants North Korea to rejoin N.P.T. (Non-Proliferation of Nuclear Weapons Treaty), but U.S. is not planning to make any compensation that North Korea is demanding. …