Just consider, today President Trump hosted South Korean President (since June 4, 2025, Lee Jae Myung, has become president after protesters forced Yoon Suk Yeol, out after he was impeached). President Trump was confident he could persuade North Korean leader, Kim Jong Un, (General Secretary of the Workers’ Party of Korea and 3rd Supreme leader of North Korea) to denuclearize.
President Trump tried in 2020:
North Korea Has Agreed to Denuclearization. Trump Could Try to Make It Happen
Commentary
Sep 28, 2020
Nine countries are recognized as possessing nuclear weapons: the United States, Russia, China, France, the United Kingdom, India, Pakistan, Israel, and North Korea. These nations collectively hold a significant number of nuclear warheads, with the U.S. and Russia having the largest arsenals. ucs.org Wikipedia
And the UN has been campaigning to save humanity through nuclear disarmament since 1946, but nuclear weapons have been also viewed as a deterrent and have proliferated.
The United Nations Secretariat supports efforts aimed at the non-proliferation and total elimination of nuclear weapons. “Securing Our Common Future: An Agenda for Disarmament” considers nuclear weapons in the framework of “disarmament to save humanity.” In the agenda, the Secretary-General calls for resuming dialogue and negotiations for nuclear arms control and disarmament. He also supports extending the norms against nuclear weapons, and in that regard appeals to States that possess nuclear weapons to affirm that a nuclear war cannot be won and must never be fought. Finally, the agenda proposes preparing for a world free of nuclear weapons through a number of risk -reduction measures, including transparency in nuclear-weapon programmes, further reductions in all types of nuclear weapons, commitments not to introduce new and destabilizing types of nuclear weapons, including cruise missiles, reciprocal commitments for the non-use of nuclear weapons and reduction of the role of nuclear weapons in security doctrines.To further the agenda, concrete actions are proposed
https://disarmament.unoda.org/nuclear/
Ukraine gave up its nuclear weapons at the Minsk summit with the promise that Russia would never be allowed to attack Ukraine.
Over the years, observers have argued that Ukraine, under pressure from its international partners and a deteriorating situation on the battlefield, was forced to sign an unfavorable deal in 2014 and an even worse one in 2015.
Needing financial support from the West and time to build up its military, Ukraine felt it had no choice but to sign the agreements. The thinking at the time was, according to then-Foreign Minister Pavlo Klimkin, “If we don’t sign (the agreements), then what are we going to do?”
With fresh memories of this failed peace process, President Volodymyr Zelensky has repeatedly stated Ukraine would not accept a negotiated end to the invasion that does not contain firm security guarantees from partners.
History tells us that denuclearization will never be on the cards again. President Trump, on August 23rd, 2025, is challenging that idea.
Here is a 2018 blog about the history of the relationship between North and South Korea:
https://lifehacker.com/a-brief-history-of-the-korean-war-1825653259
Back in 2019, attempt to secretly listen to communications of Kim Jong Un:
Donald Trump-approved plan to send Navy SEALs into North Korea to spy on leader Kim Jong Un led to civilians being killed by U.S. forces, according to a bombshell report.
The mission, carried out in early 2019 during Trump’s first term, tasked SEAL Team 6’s Red Squadron with sneaking onto the shores of the reclusive state via mini-subs to plant an electronic device that would allow the U.S. to intercept Kim’s communications, The New York Times reported.
But as the SEALs were on the shore, they spotted a small boat, with one person entering the water. Believing the boat could be North Korea’s security force, the U.S. team opened fire, killing two or three people in a hail of gunfire.
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