Answer:
d. To Murrow, Hitler was a threat to all of civilization
Step-by-step explanation:
For Murrow, Hitler's rise was a serious problem and a major threat to the entire civilization. For this reason, he believed that covering news about Hitler's advance and the battles of Nazi Germany was essential, even if the American population did not see Hitler as a threat and the European population, believed that these reprotations were only a way to denigrate the image of the continent to the world.
For Murrow reporting on Hitler's actions was as important as reporting on natural disasters.