18. Sumerian artisans, merchants, farmers, and fishers made up this group. * (4 Points)
middle class
business class
upper class
lower class

i think they should to be honest

explanation:

the right answer for the question that is being asked and shown above is that: "their policy of "divide and rule" pitted political groups against each other to keep any one group from becoming too powerful.  " the  participant in european imperialism is being described below is that  their policy of "divide and rule" pitted political groups against each other to keep any one group from becoming too powerful. 

i beleive that d is the right answer