Lewis writes that Arnold found “something so extraordinary that it would forever alter the course of his life-and American history." How did Arnold's experience alter the course of American history? (cause and effect)

Preview the following sentence and identify the meaning of the underlined word in the sentence. the brain was riddled with holes, it looked like a sponge. a. bridled c. perforated b. pierced d. b and c select the best answer from the choices provided a b c d mark this and return