Concept:The transatlantic slave trade targeted Africans who could do heavy plantation labour.Explanation:The Africans carried across the Atlantic were mostly strong, healthy, able-bodied men.They were chosen to work on sugar cane and tobacco plantations in America.Disabled persons, old persons, and children were usually not taken because they could not do the strenuous work required.Therefore, the best option is able-bodied men.Answer:B. able-bodied men.