Well, the US and UK are doing what they are vowed to do actually, they are engaged in this conflict by contributing weapon to Ukraine.
Budapest Memorandum only require US and UK to guarantee Ukrainian Security, it did not dictate how. So by contributing weapon and supply to Ukraine, it basically is the only lifeline Ukraine is surviving on. And in case you are wondering, it's currently working.
Here are the full text of Budapest Memorandum
The Presidents of Ukraine, Russian Federation and United States of America, and the Prime Minister of the United Kingdom signed three memorandums (UN Document A/49/765) on December 5, 1994, with the accession of Ukraine to the Treaty on the Non-Proliferation of Nuclear Weapons. Through this...
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The Presidents of Ukraine, Russian Federation and United States of America, and the Prime Minister of the United Kingdom signed three memorandums (UN Document A/49/765) on December 5, 1994, with the accession of Ukraine to the Treaty on the Non-Proliferation of Nuclear Weapons. Through this agreement, these countries (later to include China and France in individual statements) gave national security assurances to Belarus, Kazakhstan and Ukraine. The Joint Declaration by the Russian Federation and the United States of America of December 4, 2009 confirmed their commitment.
Excerpt:
"Welcoming the accession of Ukraine to the Treaty on the Non-Proliferation of Nuclear Weapons as a non-nuclear-weapon State,
Taking into account the commitment of Ukraine to eliminate all nuclear weapons from its territory within a specified period of time,
Noting the changes in the world-wide security situation, including the end of the cold war, which have brought about conditions for deep reductions in nuclear forces,
Confirm the following:
1. The Russian Federation, the United Kingdom of Great Britain and Northern Ireland and the United States of America
reaffirm their commitment to Ukraine, in accordance with the principles of the Final Act of the Conference on Security and Cooperation in Europe,
to respect the independence and sovereignty and the existing borders of Ukraine;
2. The Russian Federation, the United Kingdom of Great Britain and Northern Ireland and the United States of America reaffirm their obligation
to refrain from the threat or use of force against the territorial integrity or
political independence of Ukraine, and that none of their weapons will ever be used against Ukraine except in self-defence or otherwise in accordance with the Charter of the United Nations;
3. The Russian Federation, the United Kingdom of Great Britain and Northern Ireland and the United States of America reaffirm their commitment to Ukraine, in accordance with the principles of the Final Act of the Conference on Security and Cooperation in Europe,
to refrain from economic coercion designed to subordinate to their own interest the exercise by Ukraine of the rights inherent in its sovereignty and thus to secure advantages of any kind;
4. The Russian Federation, the United Kingdom of Great Britain and Northern Ireland and the United States of America reaffirm their commitment to
seek immediate United Nations Security Council action to provide assistance to Ukraine, as a non-nuclear-weapon State party to the Treaty on the Non-Proliferation of Nuclear Weapons,
if Ukraine should become a victim of an act of aggression or
an object of a threat of aggression in which nuclear
weapons are used;
5. The Russian Federation, the United Kingdom of Great Britain and Northern Ireland and the United States of America reaffirm, in the case of Ukraine, their commitmen
t not to use nuclear weapons against any non-nuclearweapon State party to the Treaty on the Non-Proliferation of Nuclear Weapons,
except in the case of an attack on themselves, their territories or dependent territories, their armed forces, or their allies, by such a State in association or alliance with a nuclear-weapon State;
6. Ukraine, the Russian Federation, the United Kingdom of Great Britain and Northern Ireland and the United States of America will
consult in the event a situation arises that raises a question concerning these commitments.
This Memorandum will become applicable upon signature.
Signed in four copies having equal validity in the Ukrainian, English and Russian languages.
For Ukraine:
(Signed) Leonid D. KUCHMA
For the Russian Federation:
(Signed) Boris N. YELTSIN
For the United Kingdom of Great
Britain and Northern Ireland:
(Signed) John MAJOR
For the United States of America:
(Signed) William J. CLINTON
In fact, US and UK did not violate 1/2/3, Russia did. on 4. US and UK did call an UNSC meeting on the Ukrainian situation, just that Russia veto the motion, on 5. US and UK were never used or threatened to use Nuclear Weapon on Ukraine, Russia again did. On 6. I would say the issue have been seriously consulted both before and during the war.
So do tell me which point of Budapest Memorandum did US and UK not fulfil?
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