Discuss the ways in which the mongol imperium enhanced contacts, particularly between china and the islamic world. which areas received the most benefit from these exchanges?

 Mongol invasions ended or interrupted many of the great empires of the post classical period, while also extending the world network that had increasingly defined the period. Under Chinggis Khan - who united his own Mongol tribesmen and numerous nomadic neighbors into the mightiest war machine the world had seen to that time - central Asia, northern China, and eastern Persia were brought under Mongol rule. 

the correct answer is:

b) a rich merchant.

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering