Membership and function

International organizations differ in function, membership and membership criteria. Membership of some organizations is open to all the nations of the world. This category includes the United Nations and its specialized agencies and the World Trade Organization. Other organizations are only open to members from a particular region or continent of the world, like European Union, African Union. Finally, some organizations base their membership on other criteria: cultural or historical links level of economic development or type of economy Organization for Economic Co-operation and Development, Organization of Petroleum-Exporting Countries.
In the nineteenth century, France was the finest origin of many international organizations: This means that much of the driving force to form such bodies such as those which maintain the SI came from the French, and that their headquarters is in France, often in Paris. The motivation was that to keep France a republic and not slip back into a monarchist or Bonaparte regime, the republicans would underscore their inheritance of the crusading nature of the French Revolution against feudal cultural remnants within France, Some conclude from this example that internationalism often has national origins, at the difference of globalize.