Can there be World Citizenship

In the article "Can There Be World Citizenship" by Elise Boulding, she talks mainly about how the majority of countries have separated themselves from the United Nations in the past years looking for more independence and being more selfish basically, which i think relates a lot to our Generation me discussions.  I fell like one of the main points the author was trying to get across was that even though countries like the United States want to be own there own and have more freedom, when problems arise that they dont have the answer to they come running back to the United Nations looking for help and or new resolutions.  One quote i liked in the text was "states dont want to be assimilated in the United Nations, yet they want to avoid the destructiveness of war."  What i think this quote means is basically states and people have seem to become to lazy and selfish, wanting all the benefits of things but not wanting to put in the work to get there.  Again this sounds a lot like the generations of today and the problem people are having with generation y's and how they live there lives.  I dont know if i personally believe this relation, but it sure does sound like Elise Boulding would based on her life experience.  I dont ever see the whole world becoming one in any situation and no matter what is being taught.  I feel that as long as there in life there will be problems and disagreements between people and groups inside and outside of there countries.  With that said i do feel we can change the approach with how we deal with them instead of just resorting to fighting and war, but this will take a long time and i doubt any of us will ever see it.