Answer:
Positive: The story itself is just a beautiful classic. It was one of the most impressionable movies and novels that is still watched to this day. Judy Garland's legacy, and voice was recognized and her career was launched for her starring role. The characters are relatable and the idea that there could be somewhere over the rainbow like this is amazing.
Negative: It is not clear in the end whether The Land of Oz was a dream.