Answer:
C. Native ruler keeps local power and position but is controlled by stronger nation.
Explanation:
Option C is a characteristic of a protectorate.
A protectorate is know to be a state which is usually controlled and protected by another stronger and sovereign state or nation. Protectorates are usually dependent due to the autonomy which they have been granted over most of their internal affairs. Even though the native rulers possess local power and position, they still recognize the suzerainty of a more stronger and powerful sovereign state.
