Answer :
I’m pretty sure it would be either C or D. leaning more towards C though
Answer:
The answer is D. A period of decentralization and waring regional kingdoms soon after the rule of Ashoka.
Explanation:
The major cause for the decline of the Mauryan dynasty was a period of decentralization and waring regional kingdoms soon after the rule of Asoka. Asoka's rule was the high point of the Mauryan dynasty, and soon after his rule weak leadership resulted in a decentralization of the government and a rise in small regional kingdoms. Eventually the Gupta dynasty took control of northern India.