Final answer:
The chariot in 'Swing Low, Sweet Chariot' represents an escape from slavery through spiritual salvation.
Step-by-step explanation:
The chariot in the song 'Swing Low, Sweet Chariot' represents an escape from slavery because it is a metaphor for spiritual salvation (option B). The song is a spiritual, a type of religious song that was sung by enslaved African Americans. In the context of slavery, the chariot symbolizes the hope and longing for freedom from the hardships and oppression of slavery.