Plz how did new orleans play a role in domestic slavery?

a. it was a center of the slave trade, where most slaves in the united states were bought
and sold.

b. it was a free city, attracting many people into the area that were trying to escape slavery.

c. it was the site of a slave revolt during the antebellum period, leading to similar uprisings
around the nation.

d. it served as a model of positive reforms where enslaved people enjoyed many rights and
privileges.