The main measures taken by the Qing rulers in order to adhere to the traditional policy of emphasizing the capital and suppressing the end were ① restriction of business ② compulsory apportionment ③ l

The main measures taken by the Qing rulers in order to adhere to the traditional policy of emphasizing the capital and suppressing the end were ① restriction of business ② compulsory apportionment ③ low purchase price ④ harsh taxes and exploitation.

D

This question examines the ability to accurately grasp historical knowledge.