Which one of the following is not related to United Nations

Explanation

The Bank for International Settlements is not related to the United Nations. The Multilateral Investment Guarantee Agency (MIGA), the International Finance Corporation (IFC), and the International Centre for Settlement of Investment Disputes (ICSID) are all affiliated with the World Bank Group, which is related to the United Nations as a specialized agency. The Bank for International Settlements (BIS) is an international financial institution that fosters international monetary and financial cooperation and serves as a bank for central banks. It is not part of the United Nations system. However, the BIS does work closely with various international organizations, including the International Monetary Fund (IMF) and the Financial Stability Board (FSB).