With regard to the lower courts, the supreme court's primary responsibility is to revise the cases that the lower courts have made a decision on. They would declare whether the decision made before were or whether they weren't constitutional and how they should be changed. There's no higher court to go to and what the supreme court says has to be done.
I believe its 2- to keep peace and arms control after the decade of World War 1
hope this helped :)
The French Revolution, the Latin American Revolution was inspired by the French Revolution and the Russian revolution happened many years later.
