Helen Adams Keller was born as a healthy child on June 27 th , 1880, to Captain Arthur H. and Kate Adams Keller of Tuscumbia. At the tender age of 19 months, she was stricken with a severe illness which left her blind and deaf. At the age of the six, the half-wild, deaf and blind girl was take to see Dr. Alexander Graham Bell by her parents. From this visit, Helen met her teacher. Anne Mansfield Sullivan. She was so gifted that by the end of August, in six months, she knew 625 words, learned Braille and learned to write shortly afterward. By the age of 10, Helen had mastered Braille as well as the manual alphabet and even learned to use the typewriter. By the time she was 16, Helen could speak well enough to go to preparatory school and to collage. In 1904, she graduated “cum laude” from Radcliffe Collage. The teacher stayed with her through those years, interpreting lectures and class discussion for her. Helen Keller became one of world’s most remarkable women. She dedicated her life to improve the conditions of the blind and the deaf-blind around the world, lecturing in more than 25 countries on the five major continents. Wherever she appeared, she brought new courage to millions of blind people. What is the main idea of paragraph four?

                Helen Adams Keller was born as a healthy child on June 27^th, 1880, to Captain Arthur H. and Kate Adams Keller of Tuscumbia. At the tender age of 19 months, she was stricken with a severe illness which left her blind and deaf.

                At the age of the six, the half-wild, deaf and blind girl was take to see Dr. Alexander Graham Bell by her parents. From this visit, Helen met her teacher. Anne Mansfield Sullivan. She was so gifted that by the end of August, in six months, she knew 625 words, learned Braille and learned to write shortly afterward.

                By the age of 10, Helen had mastered Braille as well as the manual alphabet and even learned to use the typewriter. By the time she was 16, Helen could speak well enough to go to preparatory school and to collage. In 1904, she graduated “cum laude” from Radcliffe Collage. The teacher stayed with her through those years, interpreting lectures and class discussion for her.

                Helen Keller became one of world’s most remarkable women. She dedicated her life to improve the conditions of the blind and the deaf-blind around the world, lecturing in more than 25 countries on the five major continents. Wherever she appeared, she brought new courage to millions of blind people.

What is the main idea of paragraph four?