Brainly is not a place where you get people to write your essays. I would be happy to help but you should write the essay on your own. 
 
        
             
        
        
        
Answer:
<u>The three most important factors contributing to xenophobic violence are:</u>
- Political leadership
- Lack of conflict resolution processes
- Very few prosecutions
Explanation:
 
        
             
        
        
        
The extended simile in the passage is: As when a circling wall the builder forms, Of strength defensive against wind and storms, Compacted stones the thickening work compose, and round him wide the rising structure grows.
A simile is a figure of speech that compares one thing from another thing of a different kind. It adds meaning to the text because it emphasizes the: 
a. Strength of the wall - which is likened to being a barrier that can be used as protection from wind and storms.
b. Size of the structure - which was built with hours of hard work and construction materials that can withstand such great forces of war.