Conflicts in the international arena have undergone significant transformations in their nature, causes, actors, and methods of resolution. Traditionally, international conflicts were primarily interstate wars fought over territory, sovereignty, power, and strategic dominance. Classical realist thinkers viewed conflict as an inevitable outcome of competition among sovereign states operating in an anarchic international system. The First and Second World Wars, as well as the Cold War rivalry between the United States and the Soviet Union, reflected this state-centric understanding of conflict. During the Cold War, ideological rivalry between capitalism and communism shaped international politics. Although direct military confrontation between the two superpowers was avoided because of nuclear deterrence, numerous proxy wars occurred in Korea, Vietnam, Afghanistan, Angola, and Latin America. Military alliances, arms races, and geopolitical competition dominated the international arena. Conflicts were largely influenced by bipolar power structures, with smaller states often becoming battlefields for superpower interests. The post-Cold War era witnessed a major shift in both the character and dynamics of conflicts. Interstate wars declined in frequency, while intrastate conflicts became more prominent. Civil wars, ethnic violence, religious extremism, terrorism, separatist movements, and state failure emerged as major sources of insecurity. Conflicts in Rwanda, Bosnia, Syria, Yemen, and South Sudan illustrate how internal divisions can generate humanitarian crises with regional and global consequences. The causes of conflict have also diversified. Alongside traditional territorial disputes, contemporary conflicts arise from ethnic identities, religious polarization, political exclusion, economic inequality, environmental degradation, competition over natural resources, climate change, cyber threats, and transnational crime. Globalization has increased interdependence but has also facilitated