Assertion (A) : During the time of Akbar,for every ten cavalrymen,the mansabdars had to maintain twenty horses.Reason (R) : Horses had to be rested while on march and replacements were necessary in times of war.

• 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 the correct explanation of A
• C. A is true but R is false
• D. A is false but R is true