What is the difference between these 3 terms? England Great Britain and the United Kingdom?

Which statement about new zealand’s first inhabitants is not true? a. the maori have no political power today. b. the origin of the maori is in dispute by scholars. c. the maori are trying to reassert their claims to the land. d. the maori lost most of their land in the 1800s to the british colonists. (gradpoint)