Final answer:
Tennessee Williams, Eugene O'Neill, and Arthur Miller are three of the most notable American playwrights. They shaped American theatre with works like 'The Glass Menagerie', 'Long Day's Journey Into Night', and 'Death of a Salesman', addressing themes such as the American dream and societal issues.
Step-by-step explanation:
The landscape of American theatre has been widely shaped by the influential works of Tennessee Williams, Eugene O'Neill, and Arthur Miller. Tennessee Williams, known for plays such as The Glass Menagerie and A Streetcar Named Desire, drew from personal experiences, exploring themes like emotional abuse and homosexuality.
Eugene O'Neill, another significant figure, brought American drama to global prominence with works like Long Day's Journey Into Night, earning himself the Nobel Prize and four Pulitzer Prizes. Arthur Miller critiqued the American dream and societal norms through classic plays including Death of a Salesman and The Crucible. These playwrights' masterpieces not only earned them accolades but also revolutionized American theatre.