Final answer:
The friendship between Twyla and Roberta in 'Recitatif' changes over time due to personal, social, and racial factors.
Step-by-step explanation:
The question refers to the evolving nature of the relationship between Twyla and Roberta, characters in Toni Morrison's short story 'Recitatif.' Friendship dynamics can change over time due to a variety of factors such as personal growth, life experiences, and social influences. Twyla and Roberta's friendship is complex and affected by their time spent in a shelter, their racial identities, and the societal changes they encounter as they grow older. Their relationship highlights important themes of memory, perception, and the strength of childhood bonds in the face of societal pressures.