Transportation is much faster now, thus peoples are much closer to each other, so they are united at much larger scale. Few hundreds years ago, two town with fe

Transportation is much faster now, thus peoples are much closer to each other, so they are united at much larger scale. Few hundreds years ago, two town with few thousands were separate countries. Today European Union acts almost like single 0.5B country. In few hundred years, whole Globe will be united. In transition to Global State, whole continents, or hemispheres will be united first by geographic location, race, or religion.