They are complete sentences. Both have an independent and dependent clause.
        
             
        
        
        
Answer:
to tell when and where the story takes place to explain how difficult it is to travel in some climates to show how dangerous it is to leave Honduras to introduce the main character and describe his traits.
 
        
                    
             
        
        
        
A is the answer to your question
        
             
        
        
        
Finalmente,espero que te sea  util:)