Simplify the following text for a Grade 15 native English-speaking person.
Original: The African Union , not to be confused with the AU Commission , is formed by the Constitutive Act of the African Union , which aims to transform the African Economic Community , a federated commonwealth , into a state under established international conventions .
Simplified: The African Union , not to be confused with the AU Commission , aims to transform the African Economic Community , a federated commonwealth , into a state under established international conventions .