A. social factors
B. geographical factors
C. cultural diversity
D. political sovereignty

Correct Answer: Option D

D. political sovereignty

Explanation

Other Options are necessary reasons for the adoption of a federal system except for sake of defining or strengthening the political sovereignty which invariably belongs to the citizens.

Copyright warnings! Do not copy.

 

Earn Your Degree In 3 Years Without Writing UTME. Click Here To Learn More.