There is a role for the United Nations still as a Peacekeeper in today's world because they can't necessarily force a country to make or keep peace but they can go to a country with a smaller war going on and slowly make peace and as they progress with the small countries they can move onto the bigger countries to make peace.
There were three principles created by Chief Justice John Marshall
1: the constitutional is the supreme law of the land
2: the court has the power to rule that a law is unconstitutional
3: in the event of a conflict between laws, the constitution MUST be followed.
Phone, Money, Transportation....
Answer:
Commune, a town in medieval western Europe that acquired self-governing municipal institutions. During the central and later period of the Middle Ages most of the towns west of the Baltic Sea in the north and the Adriatic Sea in the south acquired municipal institutions that have been loosely designated as communal.
The forging of large, powerful nations into "power-blocs" vying with each other for control, coupled with the emergence of extremely lethal weapons of war (machine guns, bombs, aircraft and nuclear weapons)
