Concept:The Ekumeku movement was a resistance uprising rooted in the Anioma area, which lies within present-day Delta State.Explanation:The movement began in the Asaba hinterland during the 1880s.Local town societies there resisted the Royal Niger Company’s attempt to impose its authority. This collective resistance became known as the Ekumeku movement. Anioma covers parts of the Niger Delta region and falls administratively under present-day Delta State.Answer:A. Delta