Republic means the head of the state is an elected person
This is an example of an intrinsic reward.
Intrinsic rewards are internal - they refer to feelings of accomplishment, of success, of pride, and are intangible, meaning that you cannot touch them. On the other hand, extrinsic rewards are actual objects that you receive as a reward for something you did.
If I recall correctly from my World History days, then it is D.
Answer:
The decisions made by producers and consumers drive all economic choices.
Explanation: