International affairs refers to the relationships and interactions between countries, including diplomacy, trade, and conflict resolution. It encompasses various issues such as global security, human rights, and environmental policies, which require cooperation among nations to address effectively. Governments, international organizations like the United Nations, and non-governmental organizations play crucial roles in shaping international affairs. They work together to create treaties, promote peace, and tackle global challenges such as climate change and economic development. Understanding these dynamics is essential for fostering a stable and prosperous world.