Why did arthur miller wrote the crucible as an allegory to the McCarthy trials of the 1950's?

Arthur Miller wrote "The Crucible" as an allegory to the McCarthy trials of the 1950s to highlight the dangers of hysteria, paranoia, and the erosion of civil liberties during that era. By paralleling the Salem witch hunts with the Red Scare, he aimed to critique the way fear can lead to the persecution of innocent individuals and the collapse of rational discourse. Miller sought to expose the moral and ethical dilemmas faced by individuals when confronted with societal pressure and the consequences of betrayal. Ultimately, his play serves as a cautionary tale about the fragility of justice in the face of mass panic.