I believe the answer is: <span>Social trap
</span><span>Social trap refers to a situation when a certain individual obtain some sort of gain/benefit in the short run but would cause the society as a whole some sort of loss/damage in the long run.
Other example would be when someone cut down trees to increase their profit but resulted in fresh air shortage for the environment.</span>
Chemical cant be changed back to batter
There is so many things they werent allowed to do but my best answer would be athletic events