What are some examples of characters in a quest for power in The Crucible by Arthur Miller, and how does this compare to McCarthyism?

It is often
said that when a man possesses power, he will seek to preserve or increase it.This is certainly
true in the case of several characters in as well as Senator Joseph
McCarthy.

The Reverend Samuel Parris has some power as the pastor of
Salem.It is true that as a member of the theocracy he outranks the common men of Salem.However,
he is insecure because he knows that he is rather unpopular with members of his congregation,
and he fears that he will be removed from his post.By attempting to take the lead in the
witchcraft investigation, he hopes to increase his...