The correct answer is "The Pony Express delivered messages on horseback through many areas". The introductory paragraph is a specialty paragraph that introduces the reader to an essay. An introductory paragraph contains a topic sentence, which defines the topic; the thesis sentence, which defines the writer's point of view; and the outline sentence, which describes the main topic.
And like a thunderbolt he falls": It's not clear why the eagle falls in the last line. It may be because he falls from power, it may be because his life is meaningless
The conflict, hes tired of waiting for this mysterious "she" and he would rather leave and feel grown as much as he is.