(A) 1970
(B) 1980
(C) 2002
(D) 2006
🧠 Explanation:
- The African Union (AU) was officially established on July 9, 2002 in Durban, South Africa.
- It replaced the Organisation of African Unity (OAU), which was formed in 1963.
- The AU aims to promote unity, peace, security, and development across the African continent.
- Its headquarters is located in Addis Ababa, Ethiopia.