<u>C. by detailing the effects of the cold St. Petersburg weather</u>
<u>Explanation:</u>
Remember, the story begins by telling readers how the main character of the story, Akaky Akakievich Bashmachkin struggles to survive the effects of the cold St. Petersburg weather.
Akakievich is portrayed as an impoverished clerk, he struggles to save money in order to buy a new winter coat. Thus, the theme of the story ("The Overcoat") emerges further from here.
<span>Civilizations wanted to settle and build cities and/or outposts along trading routes for so it would be easy to acquire what they didn't have, and sell what they did, and gain economic prosperity. These became the most desirable and wealthy spots, and thus were fought over in wars.</span>