[ignoramous]

As a matter of national security, some things may never come to pass. But as the world progresses towards a better future, the boundaries will vanish, if they haven't already. Who would have thought the EU was possible just 60 years back? The European countries have a long history of wars and hostile relationships stretching from the medivial ages up to 1945.

The case of cheap labour isn't a valid argument anymore. If the value-add is significant, then certain things will happen, thanks to the capitalistic nature of businesses in the West.