I find Helen Keller's story impressive because she demonstrates what people are capable of accomplishing. The way Helen Keller grasped words and yearned for more communication is an inspiration.
Answer: I agree that Anne Sullivan changed Helen Keller's life because no one before had been able to reach her. As a young girl, Helen was in the dark. Even though her parents loved her, I don't think they ever would have been able to teach her like Anne Sullivan.
I feel like there should be one more option, but if there is not, I would go with the second option:They believed Indians to be primitive people with superstitious beliefs and practices.