Several Biblical allusions are referenced in this poem.
A. Do not just repeat what the verse says. That will yield no credit.
B. You must connect it to the poem. Where is the allusion seen in the poem?
C. How does the allusion connect to the hot-button issue of slavery?

Biblical poems are in-complete without allusions. Allusion regards the issue of slavery as a hot button issue.

Explanation:

No.1. The presence of the holy spirit and the supernatural powers make a contrasting view.

No.2. At that period of time, slavery was rather brutal with no mercy of any kind is shown to the slave.. He or she is completely considered a purchased item.

No.3. Slavery is confined not only in the market place but also, where is debt among the ordinary and the affluent class.