Final answer:
Edgar Lee Masters’ poems commonly explore the themes of small-town life, human mortality, and societal hypocrisy, depicting life's complexities and the human condition.
Step-by-step explanation:
The common themes in Edgar Lee Master's poems are small-town life, human mortality, and societal hypocrisy. These recurrent themes reflect the examination of human existence within the constraints of society and the inevitability of death. Masters often depicted the intricacies of life in a small community and the pretenses upheld by its residents. His work is known for its honest and sometimes brutal portrayal of the characters, who often speak from beyond the grave about the triumphs and failures, joys and sorrows of their lives.