Answer:
UN Security Council, North Atlantic Treaty Organization, and Council of Europe.
Explanation:
It was basically no mans land, it was the dividing place of Vietnam. It separated the communist and the non-communist, even though most of the people just wanted to be one country
<span> national economies are NOT relatively self-contained entities.
Because of the globalization, it is easier for the people in a certain country to communicate with other people in another country.
This improves the chance of bilateral relationships between more than one countries and make their production process will be integrated to serve one another better.</span>