The "We" adds to the development of the <em>author’s message</em> to show that <u>everyone has a role to play.</u>
Your question is incomplete as you didn't provide the author's message. An overview of the answer will be provided.
An <em>author's message </em>simply means the big idea that's in a text. It is what the author wants the readers to know. It is sometimes the lesson that the author wants others to know. 
In this case, since the emphasis is on "we", it means that the author wants everyone to do that particular thing that's addressed in the story. For example, if the message is about love, the author can write that we should <em>love</em> each other.
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Answer:
a
Explanation:
information about how comics have made history 
 
        
             
        
        
        
It can be applied to real life because things slowly go away with time. Aging is time and life is like an hourglass, you want to do as much as you can before it runs out.