Concept:African and Caribbean leaders inspired early Nigerian nationalism through their writings and movements.
Explanation:Marcus Garvey, a Jamaican activist, promoted black pride and self-determination, which influenced Nigerian nationalists.
Casely Hayford, from the Gold Coast (now Ghana), advocated for African rights and unity through his political work and books.
Their ideas helped awaken political consciousness among educated Nigerians in the early twentieth century.
Thus, the two foreigners who directly aroused nationalist feelings among Nigerians were Marcus Garvey and Casely Hayford.
Answer:D. Marcus Garvey and Casely Hayford