How were the lives of Northern factory workers and enslaved people on Southern plantations similar?
a. Northern factory workers were paid while enslaved people were not
b. Enslaved people could not leave their jobs while northern factory workers could leave to find other jobs
c. Northern factory workers and enslaved people on Southern plantations both worked long hours in dangerous, unhealthy conditions
d. Northern factory workers and enslaved people on Southern plantations both worked outside in fields with little to drink