Mr. Gascoigne can be characterized with the word <em>pompousness </em>because his politcial talks related to patriotism and national glory. Indeed, pompousness is synonymous with excessive pride and exaggeration. After his talk, upcoming sentence characterizes Colonel Killgrew's traits. His behavior is relevant with the word <em>lust </em>because he was looking to a beautiful woman named Widow Wycherly. The latter is characterized in the beginning of the paragraph. Her character is synonymous with <em>vanity</em>. The widow does not realize that she is not beautiful. And final sentences is about Mr. Medbourne. He is <em>greed</em>y because all he do in this scene is just to calculate the amount of money.
Since the buildings during this time period were being built bigger and bigger there was more demand for elevators so people could get from floor to floor. Hope this helped :)