National barriers are only necessary because of the drastic differences between income, freedom, opportunity, etc. between countries. If these change, barriers may not necessary.
No Ralph, as a professor of biological and medical archaeology etc, I can tell you that cultural differences and biological disparities make useful delineation that makes create national barriers and these, over time, become written into history's narrative. To maximize cultural diversity and total expression of ALL human culture, you MUST maintain these national (cultural) barriers. You cannot avoid the advent of monoculture, cultural stagnation, and cultural death without recognizing barriers.
National barriers are only necessary because of the drastic differences between income, freedom, opportunity, etc. between countries. If these change, barriers may not necessary.
No Ralph, as a professor of biological and medical archaeology etc, I can tell you that cultural differences and biological disparities make useful delineation that makes create national barriers and these, over time, become written into history's narrative. To maximize cultural diversity and total expression of ALL human culture, you MUST maintain these national (cultural) barriers. You cannot avoid the advent of monoculture, cultural stagnation, and cultural death without recognizing barriers.