1. The most obvious example of how it is more noble to die with integrity than to live with compromised principles that harm others is that of Proctor, and his refusal to confess. In Act IV, Proctor is pressured to confess to witchcraft. However, he knows that he has not commited that crime. Initially, he signs. However, afterwards he retracts. This idea most likely relates to the McCarthy era because during this time period, people were harrased due to their beliefs. Moreover, they were also pressured to confess to wrongdoings and to retract their ideological statements.
2. Hale is different from the other ministers in that he truly wants to get to the truth. Although Hale is initially convinced of witchcraft, when he changes his mind he attempts to rectify his opinions. This suggests that he has more integrity and less pride than other ministers who cannot accept that they are wrong. However, by the time he wants to rectify his actions, it is too late.
3. Arthur Miller wanted to show that McCarthy's Senate committee operated as a witch hunt. This means that they were persecuting people due to their political beliefs, even when there was no evidence of wrongdoing. The fact that the people in the play have no evidence of witchcraft, and yet decide to kill people compares to how McCarthy was willing to destroy people's careers even when there was no real evidence of damage caused by them.
4. The play suggests that the motives behind McCarthy's political "witch hunts" were more related to pride, vanity and closed-mindedness than to any real political danger. Miller implies that McCarthy persecuted those with particular ideologies simply because he disagreed with them, and not because he had any real evidence of wrongdoings.