In the nervous system which works on various organs in the body that control blood pressure , heart rate , liver functions etc
I guess it would be an example of self-control if your really tempted to cheat, and also honesty :)
Answer:
B. Modifying the rules
Explanation:
The answer is not A because there's no rule that the team must be rotated.
As for increasing or decreasing the difficulty, it is really subjective to the point of view of each team.
Therefore, the answer is "modifying the rules".
Bc if u don't then ppl will do illeagal stuff with it