After the disintegration of the Soviet Union, Ukraine found itself in possession of a substantial nuclear arsenal. However, due to economic challenges and geopolitical concerns, Ukraine decided to give up its nuclear weapons. The Budapest Memorandum of 1994 provided security assurances to Ukraine, but these guarantees were called into question when Russia seized Crimea and backed separatist movements in Ukraine. The current conflict between Russia and Ukraine underscores the importance of nuclear deterrence for Ukrainian security. The implications of Ukraine’s decision to abandon its nuclear weapons have become starkly evident in the face of ongoing tensions in the region. This situation serves as a poignant reminder of the complex geopolitical dynamics at play in Eastern Europe.