The Mediterranean Sea separated the Greek islands. These islands grew into separate city-states as they were separated by the sea.
The hills and mountains in Greece separated the individual city-states. These cities were separated by these hills and mountains, which led to them developing into different city-states.
Reason they would support the Vietnam war is to support President Truman use of containment. Which was to limit the spread of communism throughout the world.
A reason not to go to war is the fear of being drafted which was common during the Vietnam War.
