What efforts have countries made to increase peace and security in the world?

Countries have undertaken various efforts to enhance global peace and security, including the establishment of international organizations like the United Nations, which facilitates dialogue and conflict resolution. Many nations participate in peacekeeping missions to stabilize regions affected by conflict. Additionally, diplomatic initiatives, treaties on arms control, and frameworks for disarmament aim to reduce the likelihood of war. Collaborative efforts in addressing global challenges such as terrorism, climate change, and humanitarian crises also contribute to fostering a more peaceful world.