After the dissolution of the Soviet Union, Ukraine found itself in possession of a substantial nuclear stockpile. However, due to financial constraints and geopolitical concerns, Ukraine made the decision to surrender these nuclear weapons. The Budapest Memorandum of 1994 was supposed to provide security assurances to Ukraine, but these guarantees were called into question when Russia annexed Crimea and backed separatists in Ukraine. The current conflict between Russia and Ukraine underscores the vulnerabilities that Ukraine faces in terms of security without the nuclear deterrence it once possessed. The situation highlights the importance of international agreements and the complexities of global geopolitics. The need for reliable security assurances for nations like Ukraine becomes even more evident in the face of such challenges.