West side story is a musical about a young man and woman who fall in love despite being from warring gangs. Which Shakespeare play does it allude to

Throughout the giver, author lois lowry renames many everyday terms. eleven-year-olds are "elevens," babies are "newchildren," stuffed animals are "comfort objects," and families are called "family units." what is the purpose of these alternate labels? what effect do they have on the story?