In science, a catalyst would be a substance that increases the rate of a chemical reaction; however, the definition when discussing language would be "someone or something spurring an event or action".
C. To show that the speaker is scared by what she has seen.
Children are commonly fearful of the dark and compares a child’s fear of the dark to her fear of whatever she saw.
We need the paragraph in order to help
Germany and Japan favored military solutions more than the United States did. I think the militaristic nations felt they had more to prove on the world stage. For Germans, rearmament became a point of national pride. For the Japanese, imperialism played a similar role. By contrast, Americans entered World War I reluctantly, and they remained reluctant to enter World War II until the bombing of Pearl Harbor left them with few alternatives.