Which international organization is primarily responsible for maintaining international peace and security, promoting human rights, fostering social and economic development, and providing humanitarian aid?

💡 Explanation:

The United Nations (UN) is the primary international organization with the broad mandate to maintain international peace and security, promote human rights, foster social and economic development, and provide humanitarian aid. The WTO focuses on trade, NATO is a military alliance, and the IMF deals with global monetary cooperation and financial stability.