The 3 great Early West African Empires declined as a result of C) Power struggles with various groups both within and outside the empires.
The empires of Ghana, Mali and the Songhai had several things in common such as controlling the same territories and being predominately Muslim.
They also share the trait of having ended as a result of internal and external strife such as from civil wars and wars of conquest.
In conclusion, option C is correct.
Find out more on the Songhai empire at https://brainly.com/question/1673927.