Conflict and Diplomacy: Uncovering the Roots of World War World War I and II were significant turning points in global history. To understand the roots of the conflict, it is important to analyze the factors that fuel international tensions and how diplomatic approaches often fail to avoid greater divisions. One of the main causes of World War I was widespread nationalism in Europe. Countries like Germany, France, and England competed with each other for power and influence. This gave rise to complex alliances, such as the Trippel Alliance and the Trippel Entente, creating ever-increasing tensions. Dissatisfaction with the status quo, coupled with conflict in the Balkans, sparked war after the assassination of Archduke Franz Ferdinand in 1914. Apart from nationalism, imperialism also contributed greatly to tensions. European countries sought to expand their colonial power in Africa, Asia, and other regions. Competition for control of colonies sparked conflict and mutual suspicion among major powers. Diplomacy, in most cases, has been unsuccessful in easing these tensions, demonstrating the limitations of a negotiated approach when faced with powerful ambitions. When World War I ended, the Treaty of Versailles in 1919 did not resolve the existing conflict, instead creating dissatisfaction in Germany. The heavy sanctions imposed and the territory lost fueled feelings of resentment, becoming one of the factors that gave birth to extreme populism in Tweede Wereldoorlog. In this context, Adolf Hitler took advantage of this dissatisfaction to strengthen Nazi ideology and trigger World War II. Diplomatic approaches during this period were often filled with failure. Efforts to create peace, such as the League of Nations, proved ineffective in preventing aggression that led to global conflict. The principle of appeasement, which was applied by large countries to avoid conflict, actually facilitated the aggressive expansion of Hitler and other countries. Furthermore, World War II showed how conflict could be overcome with national sovereignty and new alliances. In 1945, after the fall of the Nazis, the creation of the UN became a symbol of new hope for more effective international diplomacy. However, Cold War tensions between the West and East blocs showed that conflict was not something that could be easily eliminated. Overall, the roots of world war do not stem from just one factor, but from the complex interactions between nationalism, imperialism, the desire for power, and diplomatic failure. Understanding these dynamics is critical so that future generations can learn from history and avoid future conflict. A conflict resolution process that involves a more inclusive international framework and dialogue-based diplomacy remains the key to preventing a repeat of dark history.