People fear change. People fear persecution. In the play The Crucible fear is used ridiculously to persecute the innocent and save ones self. Salem, a puritan community, had god and religion as its number one priority. Therefore the devil was the people of Salem's greatest fear. In he United States during the cold war, people feared communism. Here came the creation of McCarthyism, this is almost identical to the events of Salem, people were accused in the United States of being communist sympathizers, usually without much evidence, and people were persecuted. Arthur miller himself was accused of being a communist supporter and charged after his writing of The Crucible. Even more recently terrorism is the world's greatest fear, and therefore people are persecuted, not in a court of law but in society. These people are discriminated against due to race or culture without any evidence that they are terrorists or murderers. This strongly links to the major themes in the play.
The themes evident in Arthur Millers The Crucible are very important and exist strongly in the history of human kind. The first and possibly most important of these is