Perhaps, but the groups have subgroups and those have subgroups and so on until the individual. The world as a whole may get more integrated, and the exact way

Perhaps, but the groups have subgroups and those have subgroups and so on until the individual. The world as a whole may get more integrated, and the exact way that dividing lines between the groups work may change (e.g. not so focused on geographic areas and more mutable), but I think it will always be there to some extent.