The new groups of merchants that developed in China under the more relaxed commercial system of the Manchus were called AP World History Chapter 26 The new groups of merchants that developed in China under the more relaxed commercial system of the Manchus were called a. Boxers. b. compradors. c. pescadors. d. waiqin. e. Mandarins. Answer: B Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+