Although JB Priestley wrote the play in 1946, it was set in 1910. 'An inspector Calls' is a morality play which reflects the social and industrial unrest of the time. Priestley was a socialist living in a capitalist society. He felt very strongly about this and wrote the play to get people to change. He believed that Britain needed a socialist government to lead it into post-war reconstruction. It is clear from the play that the poor were treated very badly by the rich.
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