I believe the answer is: <span>social facilitation
</span><span>social facilitation refers to the tendency to act differently when we're around other people compared to when we think we're alone.
This type of behavior is being done in order to maintain a certain level of positive opinion that others would have for us.</span>
Answer: It lets the president understand what the people want.
Explanation: For a president to be successful they need to hear the public voice, and know what is to be expected of them.
(this is my first time answering a question :3 hope I helped)
