can't what? civilization is organized hierarchically, alliance union country state county city township neighborhood street family individual. Layers get added on top as civilization progresses in order to make trade more efficient. A concrete issue today is getting startup stock options to cross international lines in a remote-first world. There is sufficient demand for a solution that solutions will emerge on a timescale of, idk decades for sure. There were not global alliances 400 years ago and 400 years from now there will probably be interstellar. Fudge N to match your best guess as to rate of progress.