Assertion (A): In a federalism, there is division of powers between the Centre and the States.
Reason (R): The legislation is not invalid merely because it incidentally encroaches of matter which have been assigned to another legislature.

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 B