[A] Rise of Brahmana dynastic, financial crisis, oppressive measures of the mahamatras and neglect of the north-west frontier
[B] Ashoka’s deliberate and systematic policy of acculturation through the appointment of Dharmamahamatras
[C] The spread of material culture, inscription and punchmarked coins in Bangladesh, Orissa Andhra and Karnataka
[D] Pushyamitra Sunga killed the last Maurya king Brihadratha in 185 B.C.