there is the naive way - as reflected in the un charter - where states work together to oversee the world in harmony. this necessarily implies genetically engineered unicorns.
there is also the realistic way, which is probably best articulated in orwell, where you have states competing against each other in such a way that maintains a balance of power.
despite some rhetoric to the contrary, the united states has never been naive. china has never been naive. russia, on the other hand, has often been naive.
that is all.