Concept:The lifting of the ban on political activities in 1978 allowed parties to emerge, and UPN was the first to be formed.Explanation:In September 1978, the military government lifted the ban on partisan politics. The Unity Party of Nigeria (UPN) was then formed on September 22, 1978. It was founded by Chief Obafemi Awolowo. Other parties like NPN and NPP were formed later after the ban was removed. Therefore, UPN was the first political party to emerge in 1978.Answer:D. UPN