They are the International Bank for Reconstruction and Development (IBRD), the International Development Association (IDA), the International Finance Corporation (IFC), the Multilateral Investment Guarantee Agency (MIGA) and the International Centre for Settlement of Investment Disputes (ICSID).

BBC: What is the World Bank?

The world's poorest countries rely mainly on interest-free loans or grants made through the International Development Association (IDA), an arm of the bank.

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