The war in Ukraine has become one of the most significant conflicts of the 21st century, with global impacts that are closely related to various political, economic and social aspects. Since Russia’s invasion in February 2022, the world has witnessed major changes in the international order. This crisis not only affected the European region, but also triggered instability throughout the world. One of the most visible impacts of this war is the spike in energy prices. Europe, which relies heavily on gas supplies from Russia, is experiencing a severe energy crisis. Countries such as Germany and France were forced to quickly look for alternative energy sources. This increase in energy costs not only affects the cost of living in Europe, but also has an impact on global inflation, increasing pressure on economies in various parts of the world. Apart from that, the food sector also faces serious challenges. Ukraine is known as the “world’s kitchen” due to its ability to meet most of the global grain needs. With exports from Black Sea ports hampered, countries dependent on food supplies from Ukraine are experiencing difficulties, leading to a spike in food prices. Countries in Africa and the Middle East, which rely heavily on wheat imports, are feeling the brunt of the impact, resulting in a potential famine crisis. The international reaction to this conflict has also been striking. Most Western countries, including NATO members, responded to the Russian invasion by sending military and humanitarian aid to Ukraine. Strict economic sanctions were imposed on Russia, covering sectors such as finance, energy and trade. It aims to cut off resources that Russia can use to continue its aggression. However, the reaction is not always uniform. Some countries, especially in Asia and Latin America, choose to remain neutral or even support Russia. Countries such as China and India maintain diplomatic and trade relations with Moscow, creating new dynamics in global geopolitics. The war in Ukraine also had a major impact on international alliances. NATO is strengthening its military cooperation and conducting larger exercises, while Finland and Sweden are applying to join the alliance. This shows a shift in the attitude of European countries towards the Russian threat. On the other hand, this crisis underscores the importance of international solidarity and cooperation. Many humanitarian organizations and NGOs are actively working to help refugees fleeing conflict. This is a momentum for many countries to unite in providing support to those affected. However, major challenges remain. Global uncertainty is increasing as a result of this war, with many countries struggling to cope with its impact. Domestic political stability in various countries is starting to be threatened, and disputes between major countries have the potential to worsen the situation. The inability to reach a peaceful resolution in the near term suggests that this conflict may be prolonged, with difficult to predict implications for global stability.