You could talk about the great depression.
        
             
        
        
        
What is something that you wrote that you are proud of is essentially what it is asking.
        
                    
             
        
        
        
Addy and I support each other. 
Andrew and Brooke annoy each other. 
It is not “one another” in any case. Each other is for 2 individuals; “one another” is used for 3 or more people