One of the effects of trade with the byzantine empire was

Trade and commerce were essential components of the success and expansion of the Byzantine Empire. Trade was carried out by ship over vast distances, although for safety, most sailing vessels were restricted to the better weather conditions between April and October.

Explanation:

either b) they were often feared and despised by other native cultures. or

c) their obsession allowed them to coexist with many other native cultures because of their peaceful nature.

i would think i'ts d hope this out