Which of the following were the reasons for the decline of the Mauryan Empire?
1. Rulers preferred Brahmans in the administration of the empire.
2. Ignorance towards the north-western frontier.
3. Bureaucratic wickedness.
Select the correct answer using the code given below:
1
1 and 3 only
2
1, 2 and 3 only
3
2 and 3 only
4
1 and 2 only