By Oh Ju-yong
As globalization rapidly spreads throughout the world, it has become an inevitable fact that no nation can survive on its own.
Not only being cooperative with other nations, but also forming a union has become an essential element for any successful nation.
For instance, nations in the European Union are putting their natural resources, human capital even information resources together in order to develop their nations' strengths in the areas of economy, education, technology and politics.
The significance of the EU is not only that it has shifted the world economy away from being ``America-centered'' but also it has