The Economic Commission forAfrica (ECA) is an agency of the

Step 1: Analyze the question The question asks which organisation the Economic Commission for Africa (ECA) belongs to as an agency.

Step 2: Explain the concept The ECA was established in 1958 by the United Nations Economic and Social Council (ECOSOC). It is one of five UN regional commissions. Its headquarters is in Addis Ababa, Ethiopia. Its job is to promote the economic and social development of African countries and encourage regional integration.

Step 3: Check each option

• A. ECOWAS is a West African regional economic bloc, founded in 1975. It is not a parent body of the ECA.
• B. NATO is a North Atlantic military alliance, so it is not relevant.
• C. OAU was the Organisation of African Unity, now the African Union. It is a continental political body, and the ECA is not its agency. The two cooperate, but the ECA was created by the UN.
• D. OPEC is an organisation of petroleum-exporting countries, so it is not relevant.
• E. UNO is the United Nations Organisation. The ECA was set up by ECOSOC, one of its principal organs, so this is correct.

Step 4: Answer The ECA is an agency (a regional commission) of the United Nations Organisation (UNO), which is option E.

Exam tip: Remember that "Economic Commission for..." (Africa, Europe, Latin America, Asia-Pacific, Western Asia) is always a UN regional commission. Any UN body with "Economic Commission" in its name falls under ECOSOC.