The flashbacks in the miracle worker play act 1?

In Act 1 of "The Miracle Worker," flashbacks serve to reveal Helen Keller's early life and the events leading to her condition. These glimpses into her past illustrate her struggles with deafness and blindness, as well as the impact on her family, particularly her mother and father. The flashbacks enhance our understanding of Helen’s challenges and the desperation of her family, setting the stage for the arrival of Annie Sullivan, who will play a crucial role in Helen's transformation. Overall, they provide essential context for the emotional stakes of the narrative.