It's <span>a comparison between two things, typically on the basis of their structure and for the purpose of explanation or clarification.</span>
I think how the text uses dramatic irony with the use of dramatic adjectives and other describing words. (sorry if I'm wrong I'm just not that smart)
Answer: part A the answer is c
Part B the answer is d
Explanation:
Either, Meroe became very involved in nation trade, or, traders from other lands traveled the Nile to exhchange goods.