According to one of the treaties, the Nuclear non-Proliferation Treaty, only the 5 permanent members of the United Nations Security Council can possess nuclear bombs, but 3(India, Pakistan and Israel) countries did not sign the treaty and North Korea withdrew from the treaty in 2003. In 2005, North Korea declared that it possesses nuclear weapons. International efforts have been made to make sure North Korea use the nuclear technology safely, they are the Six-Party Talks which include North and South Korea, US, Japan, China and Russia. 5 rounds of talks have been made and there is little progress,
