What is a major difference between the African Union and the Community of Portuguese Language Countries?

A. The African Union is a military alliance, while the Community of
Portuguese Language Countries is not.

B. The African Union is part of the United Nations, while the Community of Portuguese Language Countries is not.

C. The African Union is a regional organization, while the Community
of Portuguese Language Countries is not.

D. The African Union is a nongovernmental organization, while the Community of Portuguese Language Countries is not.