Assertion (A): Aztecs form Mexico conquered Maya country and ruled for nearly 200 years.
Reason (R): Spaniards, especially Hernan Cortes and Pizarro helped Aztecs to conquer Maya country.
(a) Both A and R are correct.
(b) A is correct but R is not the correct explanation.
(c) Both A and R are wrong.
(d) R is correct but it has no relevance to A.