Final answer:
Helen Keller was a deaf and blind American author, activist, and lecturer who learned to communicate through tactile sign language and braille. She was the first deaf and blind person to earn a Bachelor of Arts degree.
Step-by-step explanation:
Three things that Greene tells us about Helen Keller are:
- She was a deaf and blind American author, political activist, and lecturer.
- She learned to communicate through tactile sign language and braille.
- She was the first deaf and blind person to earn a Bachelor of Arts degree.
Learn more about Helen Keller