Assertion (A): L. D. White's "Introduction to the Study of Public Administration" (1926) was the first text book on the subject.
Reason (R): The book faithfully reflected the dominant theme of the contemprorary period.

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

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

C. A is true but R is false

D. A is false but R is true

Answer: Option B