Power because without power you cant,impact,control or influence others ,you would need power to do so and am notbtalking about power as in physical strength,power makes you possess ans exercise authority
Impromptu is an unrehearsed speech. Not rehearsing would not allow speakers to gather 100% of their thoughts.
The plot of "The Signalman" reaches a climax when signalman dies. As you know, the main characteristic of climax is that it is the most emotional part of a story that provides a lot of interest and suspense to a reader. The death of signalman is the highest point of emotional intensity of the plot as the loved protagonist unexpectedly (or undesirably) passes away and put an end to the story.
The answer is C. Bess and the redcoats