Ahistorian has discovered a document written by an ancient civilization that contains a long list of names. next to each name is a range of dates. the first date listed next to a name is always the same as the last date listed next to the name just below it. the historian uses this information to conclude that it is a list of the civilization's most powerful political leaders. which of the following statements best describes the tactic the historian used to make his conclusion? a. the historian created a summary. b. the historian made an inference. c. the historian created a generality. d. the historian made a prediction.