Concept:The Obasanjo regime’s agricultural programme in the 1970s was designed to boost local food production.Explanation:The strategy centred on the “Operation Feed the Nation” scheme.This programme encouraged Nigerians to grow their own food and increase agricultural output.Its main target was to reduce dependence on imported food and make the country feed itself.Therefore, the core focus was achieving food self-sufficiency.Answer:C. achieving food self-sufficiency.