what are 3 topic sentences of the passage the story of my life by helen keller excerpt from chapter IV

1. Helen Keller's early childhood was filled with frustration and isolation due to her inability to communicate with those around her.

2. The arrival of Anne Sullivan as Helen's teacher marked a turning point in her life as she learned to communicate through tactile sign language and began to make incredible progress.
3. Through Anne's patient and persistent teaching methods, Helen was able to establish a strong bond of trust and communication with her, ultimately leading to a profound transformation in her life.