Assertion (A): A federal system is a poor device as far as harmonization of national unity with local autonomy is concerned.
Reason (R): In the federal system, there is always the danger of secession of units from the federal government. As the units enjoy autonomy, there can develop a spirit of defiance and independence and that can ultimately result in a revolt against the federal government.

A. Both A and R are true and R is the correct explanation of A

B. Both A and R are true but R is not a correct explanation of A

C. A is true but R is false

D. A is false but R is true

Answer: Option D