I urgently need you to check these sentences. Thank you.
1) Describe what living and working conditions for slaves in 19-th century (after 1810) America were like. Refer then to when slave trade was banned from US.
2) The vast majority of African Americans in slavery after 1810 were native-born Americans. They were sold as property (by auction) to work on plantations.
In return for their labour, they received meager food and housing. Many died of malnutrion, overwork and bad treatment. Rebel slaves were usually flogged and sometimes buried alive. Most of them didn't live into their old age. They were encouraged to have children, who were considered as property, too.