For this to happen, we would need all the world to have compatible laws. Doing that without eroding national sovereignty is essentially impossible. We would ne

For this to happen, we would need all the world to have compatible laws. Doing that without eroding national sovereignty is essentially impossible. We would need something like the European Union for all of humanity. And even the somewhat limited powers delegated to the EU were enough to cause serious backslash as we have seen during Brexit.