Pls asap how did dorothea dix's study of prison conditions in massachusetts and europe change american beliefs? she argued that poverty causes lawbreaking. she argued that innocent people are imprisoned. she showed that mental illness is treatable. she showed that sanitation decreases disease.

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