Answer: The correct answer is : 3) he wanted to expose the inhumanity and Injustices of the McCarthy era
Explanation: "The Crucible" is an allegorical political story that relates to McCarthy's audiences. "The crucible" written by Arthur Miller a (communist) is historically inaccurate and based on mccarthy with mccarthy witch hunts of the 1950's it was written during the salem witch trials to make it okay to make fun.
