What is the main conflict in The Bluest Eye by Toni Morrison?

The primary focus/ conflict of the novel is on Pecola Breedlove, another young black girl who lives in very different circumstances from Claudia and her sister Frieda. Pecola's mother, Pauline, is cruel to her family because they are a constant reminder that her life can never measure up to the ideal world of the white family for which she works as a maid.