Concept: Nigerian nationalism is the organized movement by Nigerians to end British colonial rule and gain self-government.Explanation: Nigerian nationalism began to take shape in the 1920s. Herbert Macaulay founded the Nigerian National Democratic Party and led early campaigns against colonial policies. He encouraged political awareness and unity among Nigerians at a time when other future leaders were still young or less active. Because of this early role, historians regard him as the father of Nigerian nationalism. Obafemi Awolowo, Nnamdi Azikiwe, and Ahmadu Bello all contributed greatly, but they rose to prominence later. Therefore, the correct choice among the options is Herbert Macaulay.Answer: C. Herbert Macaulay