Concept:The Second Republic in Nigeria (1979–1983) was controlled by the political party that won the 1979 presidential election.Explanation:The National Party of Nigeria (NPN) won the 1979 presidential election.Its candidate, Alhaji Shehu Shagari, became the first Executive President of the Federal Republic of Nigeria.This victory gave the NPN control of the federal government throughout the Second Republic.Among the options listed, the correct party is the National Party of Nigeria.Answer:D. National Party of Nigeria