Final answer:
Nelly exhibits superstition through her strong conviction that divine providence intervened in her life, providing hope and faith that she would eventually be free from slavery, a belief that she holds with gratitude towards God.
Step-by-step explanation:
In the provided text, Nelly demonstrates her superstition by acknowledging that she may be viewed as superstitious for seeing a particular event as a specific act of divine intervention in her favor.
Despite potential ridicule, she expresses a steadfast belief that this 'good spirit' that has offered her hope and faith throughout the difficulties of slavery is a gift from God, to whom she is thankful.
Her belief in a predestined emancipation that would free her from slavery is deeply rooted in her soul from her earliest memories, affirming a spiritual connection that guides her through adversity.
This belief is described as a deep conviction, a living word of faith, and a spirit of hope that has remained with her even in the darkest hours of her enslavement. Nelly's demonstration of superstition is evident in her reliance on supernatural powers to influence her life.