I had made up my mind on the question of slavery and was extremely anxious to arouse public attention to the subject in my prayers and purging I said often alluded my slavery and announcement that a considerable excitement came to exist among the people

Ahistorian has discovered a letter written by an early roman emperor. she translates the letter and discovers that it contains orders to a general before a battle. she works to determine when the letter was written to figure out which battle the letter references.the historian in the passage is most clearly demonstrating which historical thinking skill? a. identifying causes and historical contextb. thinking chronologicallyc. making and evaluating arguments and interpretationsd. analyzing historical sources