In 1994 , concern over North Korea 's nuclear program led to the Agreed Framework between the US and North Korea . In 1998 , South Korean President Kim Dae-jung announced a Sunshine Policy towards North Korea . An Inter-Korean summit was held in 2000 . Continuing concerns about North Korea 's development of nuclear missiles led in 2003 to the six-party talks that included North Korea , South Korea , the US , Russia , China , and Japan . In 2006 , however , North Korea resumed testing missiles and on October 9 conducted its first nuclear test . A second inter-Korean summit was held in 2007 . By 2017 , estimates of North Korea 's nuclear arsenal ranged between 15 and 60 bombs , probably including hydrogen bombs . In the opinion of analysts , the Hwasong-15 missile is capable of striking anywhere in the United States
first nuclear test
2006 North Korean nuclear test
2018–19 Korean peace process