Answer:
Communication happened during trade, and when the people they traded with went back to their home land, they tell the stories to other people making it spread or globalizating.
Explanation:
 
        
             
        
        
        
It's D. Biography, I believe.
        
                    
             
        
        
        
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The correct option would be "To build a fire" is set in the wilderness in extreme temperatures, while "Gumption" is set inside a house in a town in winter. 
For example, in "To build a fire" it states "colder than fifty below" which does suggest extreme temperatures. 
In "Gumpton" it states "a soul working in our house" which suggests it is set in a house. 
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That would be its capital city, Tbilisi, with a population of roughly 1.5 million.