A. Organisation of Petroleum Exporting Countries (OPEC)
B. Economic and Social Commission for Asia and Pacific (ESCAP)
C. North Atlantic Treaty Organisation (NATO)
D. Organisations of African Unity (OAU)
✅ The correct answer is option C.
NATO constitutes 28 member states across North America and Europe. The Partnership for Peace (PfP) is a programme of practical bilateral cooperation between individual Euro – Atlantic partner countries and NATO.