Emmanuel is looking for neutral sources for an informative essay he is writing about the history of workplace safety. read this excerpt from a website emmanuel has found: on march 25, 1911, a preventable fire killed 146 workers in new york city’s triangle shirtwaist factory. the factory’s criminally irresponsible owners had refused to take even the simplest steps toward creating a safe workplace. the worst offense, however, was that the greedy owners had locked the door to the stairs to prevent employees from taking breaks and from stealing supplies. emmanuel realizes the source is not neutral. what is the tone of the excerpt? a. angry b. cautionary c. neutral d. supportive