I believe the answer is: Feedback
in communication, feedback refers to the response that we have after receiving a certain message. For the giver of the message,feedback could be used as some sort of confirmation to ensure that the receiver is not confused about the content of the message.
Answer:
because it's good to do good deeds for others ,gratitude,humanity ,
Explanation:
To prevent the concentration of unchecked power and to provide for checks and balances.
