Q.Trade and Commerce was common to .......... dynasty.

Trade and commerce flourished most notably under the Chola dynasty, so the correct choice is (b) Chola.

The chapter on the historical background of commerce in the sub-continent traces how the ancient Tamil kingdoms took part in trade. While the Pallava, Pandiya and Chera kingdoms all had commercial contacts, the Cholas are singled out for their well-developed trade and commerce.

Why the Cholas:

• They controlled major ports on the Coromandel coast and carried on brisk overseas (maritime) trade with South-East Asian lands. …