The document summarizes the horrific conditions and treatment that slaves experienced during the transatlantic slave trade. It describes how slaves were forced to walk long distances to coastal forts where they were held in dungeons for up to a year before being packed into ships. During the middle passage, slaves endured unhygienic conditions, disease, and physical abuse while slave codes legalized violence against slaves by plantation owners. The slave system became highly profitable in the southern colonies but imposed brutal punishments and restrictions on slaves.