Chung Eui-yong, South Korea`s national security adviser, visited China on March 12 to meet with Chinese President xi Jinping and foreign officials to report on the inter-Korean summit and summit between North Korea and the United States and seek advice.  Russia, on March 14, 2018, to explain North Korea and the summary of the visit to the United States and to ask for guidance for the next inter-Korean summit in 2018.  National Information Director Suh Hoon visited Japan and met with Prime Minister Shinzé Abe, including foreign officials on denuclearization and lasting peace on the Korean peninsula.   On October 7, 2018, U.S. Secretary of State Mike Pompeo and Kim met in Pyongyang and agreed on a second summit between the United States and North Korea at which South Korea`s presidential office said it would take place “as soon as possible.”  The date of the second summit is not known at this time. Pompeo said, however, that this would happen “soon” and that details had been communicated to South Korean President Moon Jae-In at a meeting in Seoul, the South Korean capital.  During the State of the Union address, President Trump announced that Vietnam would hold the second meeting between the two heads of state. According to President Trump, the summit will be held in Vietnam from February 27 to 28, 2019. After a period of escalating conflict, when North Korea successfully tested its first hydrogen bomb and the Hwasong-15 intercontinental missile (ICBM) in late 2017, tensions began to escalate after Kim Jong-un announced his intention to send athletes to South Korea for the 2018 Winter Olympics. During the Games, Kim proposed talks with South Korea to hold an inter-Korean summit.
On March 8, the South Korean delegation returned from the talks and travelled to the United States to announce an invitation from Kim Jong-un to Donald Trump for a meeting. High-level talks were then held between the two sides, including a visit to Pyongyang by then CIA Director Mike Pompeo and a visit to the White House by Kim Yong-chol, vice president of the Workers` Party of Korea. Both sides threatened to cancel the summit after a series of joint U.S. and South Korean military exercises, with Trump even sending a formal letter to Kim to cancel the meeting. However, the two sides finally agreed on a meeting.  A second meeting between Trump and Kim took place in February 2019 in Hanoi, Vietnam. Trump has downplayed Beijing`s role in the denuclearization process. He said the United States was working on the issue with South Korea and Japan – as well as With China, but “to a lesser extent.” He added that he would probably call Chinese President Xi Jinping “very briefly” about the summit.
In August, at the ASEAN Regional Forum 2018, North Korea`s nuclear program was the crucial item on the agenda. The foreign ministers of the ASEAN Forum issued a joint statement calling for a “complete denuclearization” used in the joint declaration following the summit, which departs from the requirement of “complete, verifiable and irreversible denuclearization” last year.  South Korean Secretary of State Kyung-wha said he had had “significant” consultations on the issue of the declaration on the formal end of the 1950-53 Korean War with the Chinese and U.S. foreign ministers.  Chinese Foreign Minister Wang Yi said, “Everyone can announce a declaration to end the war if they do not want the war to be repeated.”  North Korean Foreign Minister Ri Yong Ho said he was “alarmed” by the U.S. insistence on maintaining sanctions until North Korea denuclearized and what he said was the reluctance of the United States to declare a formal end to the Korean War.  U.S. forces in Korea have several nuclear bombers and the DPRK requires the United States to issue security guarantees for the abandonment of Pyongyang`s nuclear weapons programs.  A second summit between North Korea and the United States was announced in October 2018.  The play