Question

enslaved people in cities often worked
at military bases and forts.
at shipyards and brickyards.
inside shops and office buildings.
on small farms and large plantations.

Explanation:

Enslaved people in urban settings typically performed labor in skilled or service-based roles within the city's infrastructure. Military bases/forts, shipyards/brickyards were more specialized or rural-adjacent, and plantations/farms were rural workplaces. Urban enslaved labor often took place in shops and office buildings as domestic workers, skilled laborers, or clerks.

Answer:

inside shops and office buildings.