Concept:Independent Nigeria's Western Region was led by an elected premier from a regional political party.Explanation:Nigeria gained independence on 1 October 1960.Before independence, Chief Obafemi Awolowo served as Premier of the Western Region.He later moved to federal politics, and Chief Samuel Ladoke Akintola took over as Premier.Therefore, the person holding the office of Western Region Premier immediately after independence in 1960 was Chief Ladoke Akintola.Answer:Chief Ladoke Akintola (Option B).