Answer:
To increase our survival chance.
Explanation:
In order to survive in the harsh environment, Humans generally need to do 2 things : fulfill our basic needs and defend ourselves from external threats.
Both of them would be much easier if Humans are working together in a group.
For example, during hunter/gatherer eras, catching animals that can run faster than humans will be much easier if we have teammates to surround the prey rather than working alone.
On top that, being in a group also provide better protection from the attacks of wild animals or other humans. This is why human creatures get transformed into a social being.
Supreme Court has the power to review and make final decisions about the outcomes of trials of other instances. Specifically it's the one institution that has the power to interpret the Constitution. Because of this I believe that the best answer is the last one: Supreme Court is responsible for cases which involve interpretations of the Constitution.
They come late - without any notification, usually not nice. they delay, or corruption.
I think the answer is the second one