Read the passage from the american plague. knox found that his warrior instinct had abandoned him. he closed up his house and fled across new jersey to manhattan island. knox was turned away from manhattan and wound up in elizabethtown, new jersey, where he spent two weeks in quarantine. this passage contains a) the central cause of the story. b) cause-and-effect relationship. c) signal words that explain a cause. d) signal words that explain an effect.