3. Which of these images comes to symbolize death and destruction for Miyax by the end of the novel?

what is the context here? we need to know what story you're talking about : )

c. barbarians with unexpected intelligence  

there is a sequence and logical steps to give an answer of a trouble.

1) strategy is necessary to develop an project idea.

2) to study and know the environment where you are going to work ( ecosystem).

3)   the materials resources to built the ideas.

4) to give a priority order in the context that you study. in this case human needs.