Final answer:
Arthur Miller tried to communicate the message of the evils of McCarthyism to the readers through his play 'The Crucible,' which uses the Salem Witch Trials as a metaphor.
Step-by-step explanation:
Arthur Miller, the American playwright, had a message for the readers through his works. One of the primary messages he tried to communicate was the evils of McCarthyism. In his play 'The Crucible,' Miller uses the metaphor of the Salem Witch Trials to criticize the anti-Communist hysteria and the tactics of guilt by association used by Senator Joseph McCarthy and his supporters. By drawing parallels between the historical events, Miller highlights the dangers of false accusations and the destructive consequences of fear and paranoia in society.