Helen Keller offered a different perspective of living life by demonstrating that she was able to have a creative personality all while being blind. Her struggles represent the amount of hard work that went into who she is today. People look up to her for that.
World War II started because Hitler had very strict anti-foreign policies, and he kept taking over land, such as Germany taking over Poland and annexing Austria, which is called the Anschluss on March 1938. Basucally, the Treat of Versailles, Japanese Expansion to the West, Russian fascism, appeasement, and Hitler and the nationalist Nazis were the cause of World War II.